Add xcode_project_generation chrome trace events
Add xcode_project_generation chrome trace events

Summary: See which projects took a long time to generate their projects.

Test Plan: run buck project on an xcode project, see xcode_project_generation events in the chrome trace

Reviewed By: beefon

fb-gh-sync-id: b2a54f9
shipit-source-id: b2a54f9

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