ProcessHelper: Use memoizing Supplier, not custom implementation
ProcessHelper: Use memoizing Supplier, not custom implementation

Test Plan: CI

Reviewed By: Coneko

fbshipit-source-id: df9afb9

ilya-klyuchnikov/buck,zpao/buck,shybovycha/buck,facebook/buck,LegNeato/buck,kageiit/buck,romanoid/buck,grumpyjames/buck,shs96c/buck,marcinkwiatkowski/buck,ilya-klyuchnikov/buck,JoelMarcey/buck,grumpyjames/buck,nguyentruongtho/buck,LegNeato/buck,SeleniumHQ/buck,brettwooldridge/buck,shybovycha/buck,grumpyjames/buck,Addepar/buck,romanoid/buck,dsyang/buck,zpao/buck,romanoid/buck,facebook/buck,zhan-xiong/buck,shybovycha/buck,shs96c/buck,clonetwin26/buck,romanoid/buck,brettwooldridge/buck,Addepar/buck,dsyang/buck,dsyang/buck,shs96c/buck,JoelMarcey/buck,nguyentruongtho/buck,marcinkwiatkowski/buck,rmaz/buck,robbertvanginkel/buck,zhan-xiong/buck,marcinkwiatkowski/buck,rmaz/buck,JoelMarcey/buck,JoelMarcey/buck,shybovycha/buck,ilya-klyuchnikov/buck,grumpyjames/buck,LegNeato/buck,JoelMarcey/buck,marcinkwiatkowski/buck,marcinkwiatkowski/buck,vschs007/buck,brettwooldridge/buck,vschs007/buck,LegNeato/buck,romanoid/buck,darkforestzero/buck,k21/buck,Addepar/buck,zhan-xiong/buck,k21/buck,shybovycha/buck,SeleniumHQ/buck,LegNeato/buck,Addepar/buck,JoelMarcey/buck,ilya-klyuchnikov/buck,k21/buck,romanoid/buck,vschs007/buck,SeleniumHQ/buck,robbertvanginkel/buck,ilya-klyuchnikov/buck,shybovycha/buck,zhan-xiong/buck,brettwooldridge/buck,rmaz/buck,k21/buck,dsyang/buck,dsyang/buck,ilya-klyuchnikov/buck,grumpyjames/buck,SeleniumHQ/buck,k21/buck,rmaz/buck,zhan-xiong/buck,Addepar/buck,ilya-klyuchnikov/buck,clonetwin26/buck,darkforestzero/buck,kageiit/buck,rmaz/buck,vschs007/buck,brettwooldridge/buck,k21/buck,ilya-klyuchnikov/buck,robbertvanginkel/buck,nguyentruongtho/buck,darkforestzero/buck,LegNeato/buck,kageiit/buck,robbertvanginkel/buck,shs96c/buck,clonetwin26/buck,JoelMarcey/buck,ilya-klyuchnikov/buck,shs96c/buck,darkforestzero/buck,Addepar/buck,kageiit/buck,rmaz/buck,grumpyjames/buck,brettwooldridge/buck,k21/buck,nguyentruongtho/buck,shs96c/buck,dsyang/buck,grumpyjames/buck,robbertvanginkel/buck,rmaz/buck,brettwooldridge/buck,robbertvanginkel/buck,ilya-klyuchnikov/buck,clonetwin26/buck,dsyang/buck,zhan-xiong/buck,k21/buck,clonetwin26/buck,darkforestzero/buck,SeleniumHQ/buck,Addepar/buck,clonetwin26/buck,vschs007/buck,SeleniumHQ/buck,zhan-xiong/buck,Addepar/buck,k21/buck,brettwooldridge/buck,rmaz/buck,clonetwin26/buck,dsyang/buck,darkforestzero/buck,dsyang/buck,romanoid/buck,clonetwin26/buck,zhan-xiong/buck,k21/buck,grumpyjames/buck,rmaz/buck,clonetwin26/buck,JoelMarcey/buck,shs96c/buck,rmaz/buck,marcinkwiatkowski/buck,brettwooldridge/buck,vschs007/buck,SeleniumHQ/buck,marcinkwiatkowski/buck,JoelMarcey/buck,facebook/buck,SeleniumHQ/buck,vschs007/buck,grumpyjames/buck,facebook/buck,dsyang/buck,grumpyjames/buck,SeleniumHQ/buck,romanoid/buck,robbertvanginkel/buck,zhan-xiong/buck,LegNeato/buck,darkforestzero/buck,shs96c/buck,shs96c/buck,LegNeato/buck,LegNeato/buck,romanoid/buck,dsyang/buck,k21/buck,marcinkwiatkowski/buck,shybovycha/buck,robbertvanginkel/buck,marcinkwiatkowski/buck,romanoid/buck,zhan-xiong/buck,k21/buck,dsyang/buck,darkforestzero/buck,facebook/buck,JoelMarcey/buck,marcinkwiatkowski/buck,vschs007/buck,facebook/buck,rmaz/buck,robbertvanginkel/buck,clonetwin26/buck,marcinkwiatkowski/buck,rmaz/buck,shs96c/buck,robbertvanginkel/buck,darkforestzero/buck,brettwooldridge/buck,marcinkwiatkowski/buck,SeleniumHQ/buck,grumpyjames/buck,shybovycha/buck,vschs007/buck,romanoid/buck,ilya-klyuchnikov/buck,nguyentruongtho/buck,zhan-xiong/buck,facebook/buck,darkforestzero/buck,JoelMarcey/buck,LegNeato/buck,shs96c/buck,clonetwin26/buck,shybovycha/buck,clonetwin26/buck,Addepar/buck,robbertvanginkel/buck,brettwooldridge/buck,shybovycha/buck,LegNeato/buck,ilya-klyuchnikov/buck,darkforestzero/buck,rmaz/buck,nguyentruongtho/buck,zpao/buck,vschs007/buck,kageiit/buck,zhan-xiong/buck,romanoid/buck,kageiit/buck,LegNeato/buck,vschs007/buck,JoelMarcey/buck,Addepar/buck,ilya-klyuchnikov/buck,SeleniumHQ/buck,zpao/buck,brettwooldridge/buck,JoelMarcey/buck,zhan-xiong/buck,vschs007/buck,darkforestzero/buck,shs96c/buck,zpao/buck,brettwooldridge/buck,Addepar/buck,k21/buck,vschs007/buck,Addepar/buck,nguyentruongtho/buck,zpao/buck,shybovycha/buck,LegNeato/buck,shybovycha/buck,Addepar/buck,dsyang/buck,SeleniumHQ/buck,zpao/buck,robbertvanginkel/buck,robbertvanginkel/buck,romanoid/buck,grumpyjames/buck,marcinkwiatkowski/buck,SeleniumHQ/buck,clonetwin26/buck,kageiit/buck,shs96c/buck,shybovycha/buck,darkforestzero/buck