pass halide compiler source and flags to the script
pass halide compiler source and flags to the script

Summary:This diff updates the project generation logic, to pass addtional information to the xcode halide compiler shell script. We are passing two more fields `halide_compiler_srcs` and `halide_compiler_flags`.

See D3008047 for the purpose of these two new fields.

Test Plan: 1) tested with D3008047, compile the target successfully.

Reviewed By: jcarreiro

fb-gh-sync-id: 6afa28d
shipit-source-id: 6afa28d

JoelMarcey/buck,shybovycha/buck,bocon13/buck,sdwilsh/buck,clonetwin26/buck,romanoid/buck,illicitonion/buck,romanoid/buck,brettwooldridge/buck,dsyang/buck,clonetwin26/buck,grumpyjames/buck,brettwooldridge/buck,daedric/buck,vschs007/buck,zpao/buck,daedric/buck,OkBuilds/buck,k21/buck,LegNeato/buck,grumpyjames/buck,JoelMarcey/buck,daedric/buck,raviagarwal7/buck,grumpyjames/buck,grumpyjames/buck,JoelMarcey/buck,robbertvanginkel/buck,romanoid/buck,illicitonion/buck,shybovycha/buck,rmaz/buck,nguyentruongtho/buck,nguyentruongtho/buck,Addepar/buck,romanoid/buck,bocon13/buck,facebook/buck,vschs007/buck,SeleniumHQ/buck,k21/buck,brettwooldridge/buck,davido/buck,ilya-klyuchnikov/buck,brettwooldridge/buck,daedric/buck,illicitonion/buck,SeleniumHQ/buck,SeleniumHQ/buck,bocon13/buck,zpao/buck,Dominator008/buck,dsyang/buck,robbertvanginkel/buck,darkforestzero/buck,ilya-klyuchnikov/buck,kageiit/buck,illicitonion/buck,LegNeato/buck,Addepar/buck,clonetwin26/buck,bocon13/buck,k21/buck,shs96c/buck,JoelMarcey/buck,romanoid/buck,SeleniumHQ/buck,SeleniumHQ/buck,raviagarwal7/buck,marcinkwiatkowski/buck,robbertvanginkel/buck,davido/buck,rmaz/buck,grumpyjames/buck,JoelMarcey/buck,Dominator008/buck,janicduplessis/buck,JoelMarcey/buck,daedric/buck,dsyang/buck,vschs007/buck,ilya-klyuchnikov/buck,k21/buck,zhan-xiong/buck,daedric/buck,marcinkwiatkowski/buck,dsyang/buck,vschs007/buck,dsyang/buck,bocon13/buck,OkBuilds/buck,raviagarwal7/buck,rmaz/buck,daedric/buck,vschs007/buck,janicduplessis/buck,zhan-xiong/buck,vschs007/buck,janicduplessis/buck,k21/buck,facebook/buck,darkforestzero/buck,zhan-xiong/buck,romanoid/buck,k21/buck,sdwilsh/buck,ilya-klyuchnikov/buck,Addepar/buck,daedric/buck,k21/buck,facebook/buck,davido/buck,shs96c/buck,Addepar/buck,romanoid/buck,Addepar/buck,sdwilsh/buck,Addepar/buck,darkforestzero/buck,sdwilsh/buck,clonetwin26/buck,raviagarwal7/buck,darkforestzero/buck,k21/buck,SeleniumHQ/buck,LegNeato/buck,shs96c/buck,shs96c/buck,shs96c/buck,robbertvanginkel/buck,raviagarwal7/buck,zpao/buck,janicduplessis/buck,grumpyjames/buck,illicitonion/buck,dsyang/buck,ilya-klyuchnikov/buck,marcinkwiatkowski/buck,shs96c/buck,grumpyjames/buck,bocon13/buck,zhan-xiong/buck,justinmuller/buck,romanoid/buck,sdwilsh/buck,shybovycha/buck,illicitonion/buck,zhan-xiong/buck,dsyang/buck,clonetwin26/buck,vschs007/buck,rmaz/buck,vschs007/buck,brettwooldridge/buck,daedric/buck,zhan-xiong/buck,clonetwin26/buck,robbertvanginkel/buck,clonetwin26/buck,zpao/buck,JoelMarcey/buck,justinmuller/buck,janicduplessis/buck,rmaz/buck,justinmuller/buck,sdwilsh/buck,brettwooldridge/buck,kageiit/buck,marcinkwiatkowski/buck,vschs007/buck,ilya-klyuchnikov/buck,illicitonion/buck,k21/buck,sdwilsh/buck,OkBuilds/buck,daedric/buck,shs96c/buck,zpao/buck,LegNeato/buck,zpao/buck,grumpyjames/buck,nguyentruongtho/buck,SeleniumHQ/buck,shybovycha/buck,JoelMarcey/buck,facebook/buck,clonetwin26/buck,bocon13/buck,bocon13/buck,SeleniumHQ/buck,nguyentruongtho/buck,zhan-xiong/buck,shs96c/buck,marcinkwiatkowski/buck,justinmuller/buck,marcinkwiatkowski/buck,zhan-xiong/buck,brettwooldridge/buck,clonetwin26/buck,LegNeato/buck,rmaz/buck,brettwooldridge/buck,OkBuilds/buck,sdwilsh/buck,shybovycha/buck,SeleniumHQ/buck,justinmuller/buck,OkBuilds/buck,kageiit/buck,bocon13/buck,davido/buck,shs96c/buck,darkforestzero/buck,LegNeato/buck,LegNeato/buck,robbertvanginkel/buck,daedric/buck,raviagarwal7/buck,vschs007/buck,daedric/buck,janicduplessis/buck,justinmuller/buck,SeleniumHQ/buck,janicduplessis/buck,kageiit/buck,brettwooldridge/buck,Dominator008/buck,darkforestzero/buck,janicduplessis/buck,davido/buck,justinmuller/buck,vschs007/buck,davido/buck,JoelMarcey/buck,raviagarwal7/buck,vschs007/buck,grumpyjames/buck,brettwooldridge/buck,dsyang/buck,bocon13/buck,shybovycha/buck,k21/buck,davido/buck,Dominator008/buck,darkforestzero/buck,darkforestzero/buck,JoelMarcey/buck,dsyang/buck,bocon13/buck,sdwilsh/buck,romanoid/buck,shs96c/buck,Addepar/buck,sdwilsh/buck,marcinkwiatkowski/buck,romanoid/buck,Addepar/buck,OkBuilds/buck,marcinkwiatkowski/buck,darkforestzero/buck,dsyang/buck,Addepar/buck,ilya-klyuchnikov/buck,Dominator008/buck,nguyentruongtho/buck,justinmuller/buck,shybovycha/buck,zhan-xiong/buck,ilya-klyuchnikov/buck,SeleniumHQ/buck,raviagarwal7/buck,LegNeato/buck,SeleniumHQ/buck,illicitonion/buck,JoelMarcey/buck,zhan-xiong/buck,darkforestzero/buck,k21/buck,Dominator008/buck,justinmuller/buck,ilya-klyuchnikov/buck,Addepar/buck,janicduplessis/buck,zpao/buck,robbertvanginkel/buck,Dominator008/buck,grumpyjames/buck,OkBuilds/buck,shybovycha/buck,justinmuller/buck,rmaz/buck,shs96c/buck,LegNeato/buck,robbertvanginkel/buck,raviagarwal7/buck,ilya-klyuchnikov/buck,Dominator008/buck,rmaz/buck,marcinkwiatkowski/buck,clonetwin26/buck,Addepar/buck,LegNeato/buck,raviagarwal7/buck,OkBuilds/buck,janicduplessis/buck,illicitonion/buck,shybovycha/buck,OkBuilds/buck,dsyang/buck,davido/buck,justinmuller/buck,darkforestzero/buck,darkforestzero/buck,raviagarwal7/buck,zhan-xiong/buck,OkBuilds/buck,janicduplessis/buck,robbertvanginke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