Don't share java.io.tmpdir
Don't share java.io.tmpdir

Summary:
Another diff to support the TestPilot pattern where:
* TestPilot runs a single `buck test --dry-run ...` to get a list of tests; then
* TestPilot launches multiple concurrent `buck test --one-time-output --filter <test>` processes.

{D1371090} used the `--one-time-output` option to have unique subdirs of `buck-out` for each individual `buck test` process.  This diff gives each `buck test` process its own `java.io.tmpdir` as well.

I'm pretty sure this is what's causing errors like the one shown in P13017522.

Test Plan:
Nothing automated :(

I tested this by inspecting the output of `getPathToTmpDirectory` with the debugger, with and without the `--one-time-output` option.

Also [[https://our.intern.facebook.com/intern/testinfra/testrun/15095243 | this test run]] shows the fix is eliminating my APK jarsign woe.  The `SHjsign` and `SHadb` errors went from 14-per-run to 0-per run, as summarized in this extremely obscure paste: P13017798.

darkforestzero/buck,robbertvanginkel/buck,daedric/buck,davido/buck,kageiit/buck,romanoid/buck,rmaz/buck,dushmis/buck,romanoid/buck,bocon13/buck,lukw00/buck,mread/buck,rowillia/buck,1yvT0s/buck,Learn-Android-app/buck,shybovycha/buck,k21/buck,zhan-xiong/buck,mnuessler/buck,brettwooldridge/buck,robbertvanginkel/buck,dushmis/buck,mnuessler/buck,MarkRunWu/buck,hgl888/buck,bocon13/buck,marcinkwiatkowski/buck,LegNeato/buck,zpao/buck,mogers/buck,mnuessler/buck,tgummerer/buck,daedric/buck,clonetwin26/buck,daedric/buck,LegNeato/buck,MarkRunWu/buck,OkBuilds/buck,marcinkwiatkowski/buck,Distrotech/buck,tgummerer/buck,Heart2009/buck,JoelMarcey/buck,LegNeato/buck,mikekap/buck,Addepar/buck,luiseduardohdbackup/buck,illicitonion/buck,mikekap/buck,ilya-klyuchnikov/buck,zpao/buck,dpursehouse/buck,Dominator008/buck,luiseduardohdbackup/buck,grumpyjames/buck,Heart2009/buck,illicitonion/buck,rowillia/buck,Dominator008/buck,rhencke/buck,neonichu/buck,tgummerer/buck,illicitonion/buck,Heart2009/buck,mikekap/buck,neonichu/buck,luiseduardohdbackup/buck,darkforestzero/buck,robbertvanginkel/buck,justinmuller/buck,janicduplessis/buck,janicduplessis/buck,lukw00/buck,marcinkwiatkowski/buck,kageiit/buck,vschs007/buck,siddhartharay007/buck,mogers/buck,shs96c/buck,k21/buck,mikekap/buck,k21/buck,zhan-xiong/buck,zhan-xiong/buck,SeleniumHQ/buck,bocon13/buck,shybovycha/buck,raviagarwal7/buck,sdwilsh/buck,raviagarwal7/buck,shybovycha/buck,dushmis/buck,saleeh93/buck-cutom,raviagarwal7/buck,mikekap/buck,stuhood/buck,bocon13/buck,Learn-Android-app/buck,liuyang-li/buck,k21/buck,facebook/buck,rhencke/buck,Dominator008/buck,rhencke/buck,dsyang/buck,luiseduardohdbackup/buck,ilya-klyuchnikov/buck,neonichu/buck,OkBuilds/buck,grumpyjames/buck,saleeh93/buck-cutom,robbertvanginkel/buck,grumpyjames/buck,darkforestzero/buck,vine/buck,justinmuller/buck,LegNeato/buck,dsyang/buck,romanoid/buck,bocon13/buck,justinmuller/buck,illicitonion/buck,MarkRunWu/buck,nguyentruongtho/buck,justinmuller/buck,davido/buck,ilya-klyuchnikov/buck,Dominator008/buck,vschs007/buck,dushmis/buck,Addepar/buck,daedric/buck,ilya-klyuchnikov/buck,artiya4u/buck,tgummerer/buck,JoelMarcey/buck,saleeh93/buck-cutom,romanoid/buck,Learn-Android-app/buck,bocon13/buck,raviagarwal7/buck,robbertvanginkel/buck,davido/buck,facebook/buck,liuyang-li/buck,mnuessler/buck,dpursehouse/buck,rowillia/buck,dushmis/buck,facebook/buck,dpursehouse/buck,lukw00/buck,rowillia/buck,siddhartharay007/buck,JoelMarcey/buck,vschs007/buck,dsyang/buck,Learn-Android-app/buck,vine/buck,pwz3n0/buck,vine/buck,artiya4u/buck,daedric/buck,mnuessler/buck,OkBuilds/buck,pwz3n0/buck,dpursehouse/buck,brettwooldridge/buck,daedric/buck,vschs007/buck,neonichu/buck,brettwooldridge/buck,Dominator008/buck,vine/buck,robbertvanginkel/buck,daedric/buck,shs96c/buck,k21/buck,darkforestzero/buck,rhencke/buck,davido/buck,siddhartharay007/buck,darkforestzero/buck,facebook/buck,Addepar/buck,janicduplessis/buck,nguyentruongtho/buck,brettwooldridge/buck,pwz3n0/buck,stuhood/buck,hgl888/buck,pwz3n0/buck,rowillia/buck,mikekap/buck,clonetwin26/buck,clonetwin26/buck,liuyang-li/buck,mikekap/buck,dsyang/buck,raviagarwal7/buck,vschs007/buck,MarkRunWu/buck,dsyang/buck,dsyang/buck,Addepar/buck,vine/buck,darkforestzero/buck,justinmuller/buck,vschs007/buck,rhencke/buck,brettwooldridge/buck,mnuessler/buck,stuhood/buck,SeleniumHQ/buck,shybovycha/buck,zhan-xiong/buck,OkBuilds/buck,illicitonion/buck,Addepar/buck,rmaz/buck,mogers/buck,Distrotech/buck,justinmuller/buck,saleeh93/buck-cutom,neonichu/buck,rmaz/buck,LegNeato/buck,janicduplessis/buck,zpao/buck,romanoid/buck,clonetwin26/buck,daedric/buck,sdwilsh/buck,brettwooldridge/buck,shybovycha/buck,shs96c/buck,stuhood/buck,zhan-xiong/buck,clonetwin26/buck,rhencke/buck,saleeh93/buck-cutom,janicduplessis/buck,zpao/buck,davido/buck,stuhood/buck,davido/buck,OkBuilds/buck,rowillia/buck,kageiit/buck,clonetwin26/buck,raviagarwal7/buck,1yvT0s/buck,rowillia/buck,shs96c/buck,JoelMarcey/buck,1yvT0s/buck,Learn-Android-app/buck,1yvT0s/buck,mread/buck,artiya4u/buck,Heart2009/buck,1yvT0s/buck,OkBuilds/buck,rowillia/buck,hgl888/buck,romanoid/buck,Distrotech/buck,dsyang/buck,darkforestzero/buck,shybovycha/buck,dushmis/buck,ilya-klyuchnikov/buck,bocon13/buck,dsyang/buck,artiya4u/buck,neonichu/buck,shybovycha/buck,dsyang/buck,grumpyjames/buck,LegNeato/buck,shs96c/buck,zhan-xiong/buck,rmaz/buck,rowillia/buck,zhan-xiong/buck,JoelMarcey/buck,brettwooldridge/buck,rmaz/buck,vine/buck,facebook/buck,shs96c/buck,janicduplessis/buck,Distrotech/buck,pwz3n0/buck,neonichu/buck,MarkRunWu/buck,sdwilsh/buck,artiya4u/buck,zhan-xiong/buck,rmaz/buck,liuyang-li/buck,SeleniumHQ/buck,marcinkwiatkowski/buck,luiseduardohdbackup/buck,Heart2009/buck,shs96c/buck,Addepar/buck,LegNeato/buck,darkforestzero/buck,LegNeato/buck,Distrotech/buck,dushmis/buck,justinmuller/buck,MarkRunWu/buck,zhuxiaohao/buck,marcinkwiatkowski/buck,ilya-klyuchnikov/buck,zhuxiaohao/buck,dpursehouse/buck,daedric/buck,Distrotech/buck,k21/buck,tgummerer/buck,zhuxiaohao/buck,Heart2009/buck,sdwilsh/buck,hgl888/buck,shs96c/buck,rowillia/buck,zhuxiaohao/buck,SeleniumHQ/buck,bocon13/buck,SeleniumHQ/buck,bocon13/buck,zhan-xiong/buck,nguyentruongtho/buck,1yvT0s/buck,lukw00/buck,shybovycha/buck,lukw00/buck,justinmuller/buck,dpursehouse/buck,Addepar/buck,OkBuilds/buck,zhuxiaohao/buck,Addepar/buck,liuyang-li/buck,janicduplessis/buck,davido/buck,ilya-klyuchnikov/buck,tgummerer/buck,shybovycha/buck,hgl888/buck,illicitonion/buck,JoelMarcey/buck,ilya-klyuchnikov/buck,tgummerer/buck,facebook/buck,daedric/buck,illicitonion/buck,dsyang/buck,Dominator008/buck,artiya4u/buck,rhencke/buck,romanoid/buck,pwz3n0/buck,brettwooldridge/buck,pwz3n0/buck,JoelMarcey/buck,k21/buck,mogers/buck,mogers/buck,Dominator008/buck,ilya-klyuchnikov/buck,Addepar/buck,sdwilsh/buck,SeleniumHQ/buck,zhuxiaohao/buck,davido/buck,illicitonion/buck,mikekap/buck,liuyang-li/buck,zpao/buck,grumpyjames/buck,liuyang-li/buck,Distrotech/buck,zhuxiaohao/buck,romanoid/buck,siddhartharay007/buck,shybovycha/buck,robbertvanginkel/buck,hgl888/buck,k21/buck,marcinkwiatkowski/buck,rmaz/buck,grumpyjames/buck,mogers/buck,vschs007/buck,facebook/buck,1yvT0s/buck,Addepar/buck,k21/buck,zpao/buck,Dominator008/buck,Distrotech/buck,mogers/buck,grumpyjames/buck,Heart2009/buck,stuhood/buck,zhan-xiong/buck,marcinkwiatkowski/buck,rhencke/buck,janicduplessis/buck,brettwooldridge/buck,zhan-xiong/buck,justinmuller/buck,raviagarwal7/buck,shybovycha/buck,rhencke/buck,artiya4u/buck,Learn-Android-app/buck,Learn-Android-app/buck,Heart2009/buck,OkBuilds/buck,janicduplessis/buck,clonetwin26/buck,Learn-Android-app/buck,liuyang-li/buck,illicitonion/buck,sdwilsh/buck,marcinkwiatkowski/buck,mread/buck,mread/buck,lukw00/buck,JoelMarcey/buck,neonichu/buck,vine/buck,rhencke/buck,OkBuilds/buck,shybovycha/buck,brettwooldridge/buck,mikekap/buck,shybovycha/buck,rhencke/buck,Learn-Android-app/buck,vschs007/buck,lukw00/buck,OkBuilds/buck,nguyentruongtho/buck,Distrotech/buck,mogers/buck,ilya-klyuchnikov/buck,darkforestzero/buck,k21/buck,pwz3n0/buck,shs96c/buck,vine/buck,kageiit/buck,rmaz/buck,JoelMarcey/buck,mread/buck,rmaz/buck,JoelMarcey/buck,brettwooldridge/buck,siddhartharay007/buck,romanoid/buck,artiya4u/buck,rowillia/buck,davido/buck,kageiit/buck,sdwilsh/buck,raviagarwal7/buck,LegNeato/buck,marcinkwiatkowski/buck,sdwilsh/buck,hgl888/buck,grumpyjames/buck,clonetwin26/buck,illicitonion/buck,vine/buck,marcinkwiatkowski/buck,Distrotech/buck,luiseduardohdbackup/buck,siddhartharay007/buck,illicitonion/buck,artiya4u/buck,ilya-klyuchnikov/buck,siddhartharay007/buck,Dominator008/buck,vschs007/buck,stuhood/buck,dushmis/buck,JoelMarcey/buck,davido/buck,brettwooldridge/buck,Heart2009/buck,mread/buck,liuyang-li/buck,luiseduardohdbackup/buck,stuhood/buck,romanoid/buck,clonetwin26/buck,dsyang/buck,sdwilsh/buck,Dominator008/buck,shs96c/buck,raviagarwal7/buck,mogers/buck,clonetwin26/buck,SeleniumHQ/buck,janicduplessis/buck,Addepar/buck,Learn-Android-app/buck,dpursehouse/buck,Distrotech/buck,darkforestzero/buck,luiseduardohdbackup/buck,mnuessler/buck,janicduplessis/buck,romanoid/buck,mogers/buck,tgummerer/buck,LegNeato/buck,tgummerer/buck,mikekap/buck,ilya-klyuchnikov/buck,dpursehouse/buck,clonetwin26/buck,davido/buck,robbertvanginkel/buck,dushmis/buck,SeleniumHQ/buck,robbertvanginkel/buck,sdwilsh/buck,romanoid/buck,daedric/buck,dsyang/buck,raviagarwal7/buck,Addepar/buck,daedric/buck,sdwilsh/buck,Learn-Android-app/buck,raviagarwal7/buck,mikekap/buck,luiseduardohdbackup/buck,davido/buck,shs96c/buck,sdwilsh/buck,mnuessler/buck,mogers/buck,justinmuller/buck,rmaz/buck,rmaz/buck,1yvT0s/buck,clonetwin26/buck,kageiit/buck,tgummerer/buck,janicduplessis/buck,hgl888/buck,marcinkwiatkowski/buck,Addepar/buck,nguyentruongtho/buck,JoelMarcey/buck,k21/buck,justinmuller/buck,artiya4u/buck,stuhood/buck,grumpyjames/buck,vine/buck,grumpyjames/buck,robbertvanginkel/buck,LegNeato/buck,zhan-xiong/buck,robbertvanginkel/buck,pwz3n0/buck,JoelMarcey/buck,zhuxiaohao/buck,marcinkwiatkowski/buck,MarkRunWu/buck,SeleniumHQ/buck,dushmis/buck,bocon13/buck,sdwilsh/buck,neonichu/buck,kageiit/buck,robbertvanginkel/buck,SeleniumHQ/buck,ilya-klyuchnikov/buck,artiya4u/buck,robbertvanginkel/buck,k21/buck,stuhood/buck,vine/buck,vschs007/buck,nguyentruongtho/buck,shs96c/buck,saleeh93/buck-cutom,justinmuller/buck,pwz3n0/buck,1yvT0s/buck,vschs007/buck,mikekap/buck,bocon13/buck,zhuxiaohao/buck,brettwooldridge/buck,romanoid/buck,raviagarwal7/buck,illicitonion/buck,bocon13/buck,OkBuilds/buck,grumpyjames/buck,pwz3n0/buck,lukw00/buck,zpao/buck,raviagarwal7/buck,rmaz/buck,justinmuller/buck,Dominator008/buck,siddhartharay007/buck,marcinkwiatkowski/buck,illicitonion/buck,SeleniumHQ/buck,liuyang-li/buck,rmaz/buck,LegNeato/buck,lukw00/buck,darkforestzero/buck,grumpyjames/buck,tgummerer/buck,darkforestzero/buck,MarkRunWu/buck,daedric/buck,zhan-xiong/buck,vschs007/buck,lukw00/buck,davido/buck,k21/buck,SeleniumHQ/buck,SeleniumHQ/buck,OkBuilds/buck,lukw00/buck,mnuessler/buck,siddhartharay007/buck,dsyang/buck,hgl888/buck,vschs007/buck,stuhood/buck,OkBuilds/buck,shs96c/buck,clonetwin26/buck,nguyentruongtho/buck,darkforestzero/buck,liuyang-li/buck,rowillia/buck,LegNeato/buck,Dominator008/buck