Ensure that config files for external tests are resolved properly.
Ensure that config files for external tests are resolved properly.

Summary:
These are generated relative to the running rules, and so need
to be resolved relative to those rules.

Test Plan: buck test --all

dsyang/buck,rmaz/buck,lukw00/buck,zhan-xiong/buck,janicduplessis/buck,illicitonion/buck,romanoid/buck,robbertvanginkel/buck,mogers/buck,OkBuilds/buck,clonetwin26/buck,tgummerer/buck,LegNeato/buck,k21/buck,SeleniumHQ/buck,Addepar/buck,marcinkwiatkowski/buck,pwz3n0/buck,daedric/buck,darkforestzero/buck,raviagarwal7/buck,Dominator008/buck,raviagarwal7/buck,LegNeato/buck,Distrotech/buck,artiya4u/buck,marcinkwiatkowski/buck,brettwooldridge/buck,SeleniumHQ/buck,rowillia/buck,rhencke/buck,LegNeato/buck,rowillia/buck,JoelMarcey/buck,liuyang-li/buck,rmaz/buck,rmaz/buck,illicitonion/buck,JoelMarcey/buck,raviagarwal7/buck,rowillia/buck,tgummerer/buck,tgummerer/buck,robbertvanginkel/buck,robbertvanginkel/buck,rhencke/buck,JoelMarcey/buck,stuhood/buck,LegNeato/buck,zhan-xiong/buck,kageiit/buck,Dominator008/buck,daedric/buck,romanoid/buck,Distrotech/buck,k21/buck,k21/buck,zhan-xiong/buck,Distrotech/buck,dsyang/buck,marcinkwiatkowski/buck,Addepar/buck,raviagarwal7/buck,facebook/buck,justinmuller/buck,vine/buck,zpao/buck,justinmuller/buck,tgummerer/buck,grumpyjames/buck,marcinkwiatkowski/buck,OkBuilds/buck,rowillia/buck,vschs007/buck,robbertvanginkel/buck,justinmuller/buck,shs96c/buck,dsyang/buck,liuyang-li/buck,justinmuller/buck,grumpyjames/buck,SeleniumHQ/buck,illicitonion/buck,robbertvanginkel/buck,shs96c/buck,davido/buck,lukw00/buck,pwz3n0/buck,davido/buck,zpao/buck,mogers/buck,sdwilsh/buck,liuyang-li/buck,Dominator008/buck,Dominator008/buck,mogers/buck,clonetwin26/buck,illicitonion/buck,OkBuilds/buck,mogers/buck,robbertvanginkel/buck,grumpyjames/buck,tgummerer/buck,vschs007/buck,rmaz/buck,mikekap/buck,pwz3n0/buck,tgummerer/buck,daedric/buck,bocon13/buck,romanoid/buck,brettwooldridge/buck,bocon13/buck,grumpyjames/buck,vschs007/buck,mikekap/buck,Addepar/buck,shs96c/buck,ilya-klyuchnikov/buck,SeleniumHQ/buck,grumpyjames/buck,stuhood/buck,JoelMarcey/buck,sdwilsh/buck,Addepar/buck,Dominator008/buck,darkforestzero/buck,OkBuilds/buck,bocon13/buck,mikekap/buck,brettwooldridge/buck,clonetwin26/buck,justinmuller/buck,sdwilsh/buck,tgummerer/buck,Distrotech/buck,bocon13/buck,mogers/buck,vschs007/buck,mikekap/buck,janicduplessis/buck,brettwooldridge/buck,artiya4u/buck,marcinkwiatkowski/buck,rmaz/buck,Addepar/buck,Addepar/buck,ilya-klyuchnikov/buck,romanoid/buck,marcinkwiatkowski/buck,liuyang-li/buck,ilya-klyuchnikov/buck,darkforestzero/buck,shybovycha/buck,Learn-Android-app/buck,Addepar/buck,clonetwin26/buck,ilya-klyuchnikov/buck,darkforestzero/buck,romanoid/buck,zhan-xiong/buck,JoelMarcey/buck,nguyentruongtho/buck,davido/buck,romanoid/buck,romanoid/buck,bocon13/buck,Dominator008/buck,darkforestzero/buck,daedric/buck,pwz3n0/buck,shybovycha/buck,rmaz/buck,shybovycha/buck,darkforestzero/buck,shybovycha/buck,stuhood/buck,facebook/buck,dsyang/buck,davido/buck,rmaz/buck,mogers/buck,lukw00/buck,ilya-klyuchnikov/buck,darkforestzero/buck,artiya4u/buck,marcinkwiatkowski/buck,illicitonion/buck,mogers/buck,vschs007/buck,justinmuller/buck,nguyentruongtho/buck,Dominator008/buck,vine/buck,clonetwin26/buck,Learn-Android-app/buck,sdwilsh/buck,romanoid/buck,Addepar/buck,SeleniumHQ/buck,rmaz/buck,k21/buck,liuyang-li/buck,illicitonion/buck,janicduplessis/buck,raviagarwal7/buck,clonetwin26/buck,LegNeato/buck,illicitonion/buck,sdwilsh/buck,tgummerer/buck,sdwilsh/buck,rmaz/buck,Learn-Android-app/buck,artiya4u/buck,artiya4u/buck,marcinkwiatkowski/buck,Addepar/buck,clonetwin26/buck,brettwooldridge/buck,darkforestzero/buck,grumpyjames/buck,bocon13/buck,rmaz/buck,artiya4u/buck,artiya4u/buck,robbertvanginkel/buck,zhan-xiong/buck,JoelMarcey/buck,Learn-Android-app/buck,janicduplessis/buck,vschs007/buck,artiya4u/buck,marcinkwiatkowski/buck,OkBuilds/buck,daedric/buck,Distrotech/buck,OkBuilds/buck,vschs007/buck,grumpyjames/buck,ilya-klyuchnikov/buck,LegNeato/buck,OkBuilds/buck,dsyang/buck,justinmuller/buck,grumpyjames/buck,SeleniumHQ/buck,janicduplessis/buck,raviagarwal7/buck,pwz3n0/buck,daedric/buck,nguyentruongtho/buck,robbertvanginkel/buck,lukw00/buck,robbertvanginkel/buck,vine/buck,ilya-klyuchnikov/buck,darkforestzero/buck,Distrotech/buck,raviagarwal7/buck,kageiit/buck,marcinkwiatkowski/buck,ilya-klyuchnikov/buck,Addepar/buck,davido/buck,vine/buck,k21/buck,justinmuller/buck,mikekap/buck,clonetwin26/buck,stuhood/buck,SeleniumHQ/buck,raviagarwal7/buck,zpao/buck,vschs007/buck,grumpyjames/buck,vschs007/buck,raviagarwal7/buck,robbertvanginkel/buck,vine/buck,robbertvanginkel/buck,Learn-Android-app/buck,davido/buck,brettwooldridge/buck,illicitonion/buck,Addepar/buck,Learn-Android-app/buck,SeleniumHQ/buck,clonetwin26/buck,janicduplessis/buck,bocon13/buck,illicitonion/buck,shs96c/buck,k21/buck,raviagarwal7/buck,shybovycha/buck,justinmuller/buck,Distrotech/buck,daedric/buck,facebook/buck,marcinkwiatkowski/buck,shs96c/buck,grumpyjames/buck,k21/buck,darkforestzero/buck,mikekap/buck,OkBuilds/buck,Learn-Android-app/buck,dsyang/buck,shybovycha/buck,OkBuilds/buck,Learn-Android-app/buck,rhencke/buck,shs96c/buck,bocon13/buck,shs96c/buck,janicduplessis/buck,ilya-klyuchnikov/buck,brettwooldridge/buck,davido/buck,sdwilsh/buck,dsyang/buck,davido/buck,rowillia/buck,vschs007/buck,romanoid/buck,JoelMarcey/buck,zhan-xiong/buck,stuhood/buck,shs96c/buck,brettwooldridge/buck,romanoid/buck,shybovycha/buck,sdwilsh/buck,sdwilsh/buck,dsyang/buck,romanoid/buck,nguyentruongtho/buck,mogers/buck,liuyang-li/buck,Distrotech/buck,rhencke/buck,daedric/buck,mikekap/buck,k21/buck,kageiit/buck,mikekap/buck,rowillia/buck,facebook/buck,pwz3n0/buck,mikekap/buck,romanoid/buck,liuyang-li/buck,janicduplessis/buck,rowillia/buck,facebook/buck,davido/buck,JoelMarcey/buck,OkBuilds/buck,SeleniumHQ/buck,raviagarwal7/buck,stuhood/buck,SeleniumHQ/buck,SeleniumHQ/buck,rhencke/buck,Learn-Android-app/buck,marcinkwiatkowski/buck,LegNeato/buck,facebook/buck,stuhood/buck,darkforestzero/buck,robbertvanginkel/buck,mogers/buck,ilya-klyuchnikov/buck,daedric/buck,shybovycha/buck,janicduplessis/buck,zhan-xiong/buck,pwz3n0/buck,kageiit/buck,Dominator008/buck,janicduplessis/buck,Dominator008/buck,stuhood/buck,sdwilsh/buck,LegNeato/buck,pwz3n0/buck,shybovycha/buck,ilya-klyuchnikov/buck,rhencke/buck,brettwooldridge/buck,artiya4u/buck,Learn-Android-app/buck,k21/buck,bocon13/buck,mogers/buck,shs96c/buck,bocon13/buck,lukw00/buck,Dominator008/buck,shybovycha/buck,liuyang-li/buck,mogers/buck,tgummerer/buck,vschs007/buck,Distrotech/buck,LegNeato/buck,daedric/buck,ilya-klyuchnikov/buck,LegNeato/buck,vschs007/buck,clonetwin26/buck,OkBuilds/buck,rowillia/buck,bocon13/buck,raviagarwal7/buck,SeleniumHQ/buck,dsyang/buck,davido/buck,zhan-xiong/buck,grumpyjames/buck,sdwilsh/buck,Addepar/buck,rmaz/buck,justinmuller/buck,lukw00/buck,zhan-xiong/buck,nguyentruongtho/buck,romanoid/buck,Distrotech/buck,Learn-Android-app/buck,dsyang/buck,liuyang-li/buck,illicitonion/buck,stuhood/buck,LegNeato/buck,rowillia/buck,Addepar/buck,illicitonion/buck,tgummerer/buck,zpao/buck,k21/buck,rhencke/buck,clonetwin26/buck,facebook/buck,zhan-xiong/buck,zhan-xiong/buck,LegNeato/buck,nguyentruongtho/buck,vine/buck,rhencke/buck,shs96c/buck,kageiit/buck,vschs007/buck,mikekap/buck,shybovycha/buck,dsyang/buck,darkforestzero/buck,stuhood/buck,artiya4u/buck,davido/buck,JoelMarcey/buck,k21/buck,brettwooldridge/buck,rhencke/buck,illicitonion/buck,k21/buck,Dominator008/buck,JoelMarcey/buck,daedric/buck,vine/buck,SeleniumHQ/buck,pwz3n0/buck,marcinkwiatkowski/buck,kageiit/buck,zhan-xiong/buck,nguyentruongtho/buck,robbertvanginkel/buck,JoelMarcey/buck,davido/buck,artiya4u/buck,zhan-xiong/buck,lukw00/buck,shybovycha/buck,clonetwin26/buck,rowillia/buck,vine/buck,OkBuilds/buck,shs96c/buck,JoelMarcey/buck,shybovycha/buck,dsyang/buck,zpao/buck,grumpyjames/buck,liuyang-li/buck,illicitonion/buck,darkforestzero/buck,tgummerer/buck,lukw00/buck,sdwilsh/buck,zpao/buck,kageiit/buck,rowillia/buck,justinmuller/buck,pwz3n0/buck,OkBuilds/buck,Dominator008/buck,davido/buck,lukw00/buck,stuhood/buck,liuyang-li/buck,rmaz/buck,k21/buck,vine/buck,justinmuller/buck,brettwooldridge/buck,raviagarwal7/buck,lukw00/buck,ilya-klyuchnikov/buck,rmaz/buck,janicduplessis/buck,rhencke/buck,rhencke/buck,pwz3n0/buck,janicduplessis/buck,daedric/buck,vine/buck,zpao/buck,mikekap/buck,shs96c/buck,bocon13/buck,mikekap/buck,sdwilsh/buck,vine/buck,lukw00/buck,justinmuller/buck,JoelMarcey/buck,daedric/buck,brettwooldridge/buck,clonetwin26/buck,rowillia/buck,brettwooldridge/buck,shs96c/buck,LegNeato/buck,dsyang/buck,Distrotech/buck