simplify clip inside a layer -- will be applied in restore
simplify clip inside a layer -- will be applied in restore

BUG=skia:
TBR=
NOTREECHECKS=True

speculative land to measure performance

Review URL: https://codereview.chromium.org/997763002

pcwalton/skia,UBERMALLOW/external_skia,HalCanary/skia-hc,rubenvb/skia,spezi77/android_external_skia,MinimalOS-AOSP/platform_external_skia,TeamExodus/external_skia,PAC-ROM/android_external_skia,tmpvar/skia.cc,timduru/platform-external-skia,tmpvar/skia.cc,noselhq/skia,AOSP-YU/platform_external_skia,nfxosp/platform_external_skia,Hikari-no-Tenshi/android_external_skia,spezi77/android_external_skia,w3nd1go/android_external_skia,MarshedOut/android_external_skia,ominux/skia,pcwalton/skia,Hikari-no-Tenshi/android_external_skia,HalCanary/skia-hc,MinimalOS-AOSP/platform_external_skia,YUPlayGodDev/platform_external_skia,qrealka/skia-hc,rubenvb/skia,vanish87/skia,geekboxzone/mmallow_external_skia,MinimalOS-AOSP/platform_external_skia,invisiblek/android_external_skia,UBERMALLOW/external_skia,nvoron23/skia,PAC-ROM/android_external_skia,google/skia,MarshedOut/android_external_skia,VRToxin-AOSP/android_external_skia,TeamExodus/external_skia,invisiblek/android_external_skia,MinimalOS-AOSP/platform_external_skia,MarshedOut/android_external_skia,pcwalton/skia,spezi77/android_external_skia,google/skia,Infinitive-OS/platform_external_skia,w3nd1go/android_external_skia,todotodoo/skia,PAC-ROM/android_external_skia,Hikari-no-Tenshi/android_external_skia,tmpvar/skia.cc,TeamExodus/external_skia,ominux/skia,Hikari-no-Tenshi/android_external_skia,vanish87/skia,ominux/skia,w3nd1go/android_external_skia,tmpvar/skia.cc,OneRom/external_skia,todotodoo/skia,AOSPB/external_skia,Hikari-no-Tenshi/android_external_skia,spezi77/android_external_skia,TeamExodus/external_skia,boulzordev/android_external_skia,shahrzadmn/skia,YUPlayGodDev/platform_external_skia,MonkeyZZZZ/platform_external_skia,UBERMALLOW/external_skia,UBERMALLOW/external_skia,rubenvb/skia,AOSPB/external_skia,OneRom/external_skia,MarshedOut/android_external_skia,Jichao/skia,shahrzadmn/skia,MarshedOut/android_external_skia,qrealka/skia-hc,invisiblek/android_external_skia,PAC-ROM/android_external_skia,timduru/platform-external-skia,vanish87/skia,noselhq/skia,todotodoo/skia,HalCanary/skia-hc,vanish87/skia,AOSPB/external_skia,w3nd1go/android_external_skia,TeamTwisted/external_skia,TeamTwisted/external_skia,geekboxzone/mmallow_external_skia,tmpvar/skia.cc,HalCanary/skia-hc,OneRom/external_skia,Infinitive-OS/platform_external_skia,BrokenROM/external_skia,MonkeyZZZZ/platform_external_skia,geekboxzone/mmallow_external_skia,noselhq/skia,w3nd1go/android_external_skia,Infinitive-OS/platform_external_skia,vanish87/skia,MonkeyZZZZ/platform_external_skia,Jichao/skia,HalCanary/skia-hc,VRToxin-AOSP/android_external_skia,invisiblek/android_external_skia,TeamTwisted/external_skia,nfxosp/platform_external_skia,AOSPB/external_skia,amyvmiwei/skia,google/skia,tmpvar/skia.cc,invisiblek/android_external_skia,tmpvar/skia.cc,PAC-ROM/android_external_skia,nfxosp/platform_external_skia,pcwalton/skia,aosp-mirror/platform_external_skia,PAC-ROM/android_external_skia,ominux/skia,nvoron23/skia,invisiblek/android_external_skia,aosp-mirror/platform_external_skia,amyvmiwei/skia,VRToxin-AOSP/android_external_skia,ominux/skia,OneRom/external_skia,YUPlayGodDev/platform_external_skia,qrealka/skia-hc,MonkeyZZZZ/platform_external_skia,nfxosp/platform_external_skia,UBERMALLOW/external_skia,google/skia,nvoron23/skia,AOSPB/external_skia,VRToxin-AOSP/android_external_skia,VRToxin-AOSP/android_external_skia,rubenvb/skia,Jichao/skia,w3nd1go/android_external_skia,Infinitive-OS/platform_external_skia,PAC-ROM/android_external_skia,invisiblek/android_external_skia,YUPlayGodDev/platform_external_skia,timduru/platform-external-skia,nfxosp/platform_external_skia,vanish87/skia,rubenvb/skia,VRToxin-AOSP/android_external_skia,google/skia,google/skia,amyvmiwei/skia,rubenvb/skia,BrokenROM/external_skia,Hikari-no-Tenshi/android_external_skia,OneRom/external_skia,vanish87/skia,spezi77/android_external_skia,AOSPB/external_skia,aosp-mirror/platform_external_skia,MonkeyZZZZ/platform_external_skia,qrealka/skia-hc,shahrzadmn/skia,Jichao/skia,timduru/platform-external-skia,nvoron23/skia,vanish87/skia,YUPlayGodDev/platform_external_skia,nvoron23/skia,MonkeyZZZZ/platform_external_skia,pcwalton/skia,PAC-ROM/android_external_skia,tmpvar/skia.cc,YUPlayGodDev/platform_external_skia,todotodoo/skia,noselhq/skia,Jichao/skia,ominux/skia,YUPlayGodDev/platform_external_skia,AOSP-YU/platform_external_skia,Infinitive-OS/platform_external_skia,boulzordev/android_external_skia,BrokenROM/external_skia,Hikari-no-Tenshi/android_external_skia,pcwalton/skia,amyvmiwei/skia,AOSPB/external_skia,aosp-mirror/platform_external_skia,UBERMALLOW/external_skia,timduru/platform-external-skia,VRToxin-AOSP/android_external_skia,aosp-mirror/platform_external_skia,boulzordev/android_external_skia,AOSP-YU/platform_external_skia,shahrzadmn/skia,BrokenROM/external_skia,BrokenROM/external_skia,shahrzadmn/skia,rubenvb/skia,Jichao/skia,nvoron23/skia,MinimalOS-AOSP/platform_external_skia,vanish87/skia,shahrzadmn/skia,nvoron23/skia,ominux/skia,todotodoo/skia,amyvmiwei/skia,amyvmiwei/skia,nfxosp/platform_external_skia,google/skia,boulzordev/android_external_skia,google/skia,TeamExodus/external_skia,geekboxzone/mmallow_external_skia,MonkeyZZZZ/platform_external_skia,boulzordev/android_external_skia,shahrzadmn/skia,MarshedOut/android_external_skia,qrealka/skia-hc,HalCanary/skia-hc,geekboxzone/mmallow_external_skia,w3nd1go/android_external_skia,qrealka/skia-hc,BrokenROM/external_skia,TeamExodus/external_skia,MinimalOS-AOSP/platform_external_skia,aosp-mirror/platform_external_skia,rubenvb/skia,AOSP-YU/platform_external_skia,OneRom/external_skia,google/skia,pcwalton/skia,AOSP-YU/platform_external_skia,HalCanary/skia-hc,Jichao/skia,TeamTwisted/external_skia,aosp-mirror/platform_external_skia,boulzordev/android_external_skia,TeamTwisted/external_skia,Infinitive-OS/platform_external_skia,TeamTwisted/external_skia,MarshedOut/android_external_skia,todotodoo/skia,geekboxzone/mmallow_external_skia,tmpvar/skia.cc,google/skia,invisiblek/android_external_skia,ominux/skia,qrealka/skia-hc,MinimalOS-AOSP/platform_external_skia,shahrzadmn/skia,AOSP-YU/platform_external_skia,AOSP-YU/platform_external_skia,MonkeyZZZZ/platform_external_skia,MarshedOut/android_external_skia,qrealka/skia-hc,noselhq/skia,AOSPB/external_skia,BrokenROM/external_skia,amyvmiwei/skia,timduru/platform-external-skia,OneRom/external_skia,pcwalton/skia,MarshedOut/android_external_skia,TeamExodus/external_skia,aosp-mirror/platform_external_skia,BrokenROM/external_skia,AOSP-YU/platform_external_skia,spezi77/android_external_skia,Infinitive-OS/platform_external_skia,noselhq/skia,todotodoo/skia,UBERMALLOW/external_skia,boulzordev/android_external_skia,Hikari-no-Tenshi/android_external_skia,rubenvb/skia,TeamExodus/external_skia,todotodoo/skia,noselhq/skia,nfxosp/platform_external_skia,VRToxin-AOSP/android_external_skia,OneRom/external_skia,nvoron23/skia,TeamExodus/external_skia,geekboxzone/mmallow_external_skia,todotodoo/skia,VRToxin-AOSP/android_external_skia,amyvmiwei/skia,YUPlayGodDev/platform_external_skia,timduru/platform-external-skia,TeamTwisted/external_skia,HalCanary/skia-hc,Infinitive-OS/platform_external_skia,TeamTwisted/external_skia,aosp-mirror/platform_external_skia,rubenvb/skia,w3nd1go/android_external_skia,MinimalOS-AOSP/platform_external_skia,noselhq/skia,boulzordev/android_external_skia,nvoron23/skia,TeamTwisted/external_skia,shahrzadmn/skia,YUPlayGodDev/platform_external_skia,MonkeyZZZZ/platform_external_skia,Jichao/skia,ominux/skia,UBERMALLOW/external_skia,Jichao/skia,nfxosp/platform_external_skia,boulzordev/android_external_skia,HalCanary/skia-hc,noselhq/skia,UBERMALLOW/external_skia,nfxosp/platform_external_skia,aosp-mirror/platform_external_skia,geekboxzone/mmallow_external_skia,pcwalton/skia,AOSPB/external_skia,HalCanary/skia-hc,OneRom/external_skia,MinimalOS-AOSP/platform_external_skia,Infinitive-OS/platform_external_skia,geekboxzone/mmallow_external_skia,w3nd1go/android_external_skia,PAC-ROM/android_external_skia,AOSP-YU/platform_external_skia