Document how to tell Buck where the Android SDK/NDK are.
Document how to tell Buck where the Android SDK/NDK are.

Test Plan: http://localhost:9811/setup/install.html

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