don't normalize after perspective concat
don't normalize after perspective concat

BUG=skia:

Review URL: https://codereview.chromium.org/734513004

Infinitive-OS/platform_external_skia,Infinitive-OS/platform_external_skia,nvoron23/skia,HalCanary/skia-hc,w3nd1go/android_external_skia,qrealka/skia-hc,timduru/platform-external-skia,google/skia,aosp-mirror/platform_external_skia,jtg-gg/skia,nfxosp/platform_external_skia,Igalia/skia,AOSPB/external_skia,boulzordev/android_external_skia,MarshedOut/android_external_skia,Hikari-no-Tenshi/android_external_skia,nvoron23/skia,google/skia,tmpvar/skia.cc,invisiblek/android_external_skia,nvoron23/skia,nfxosp/platform_external_skia,TeamTwisted/external_skia,Igalia/skia,Hikari-no-Tenshi/android_external_skia,tmpvar/skia.cc,AOSPB/external_skia,aosp-mirror/platform_external_skia,TeamExodus/external_skia,ominux/skia,AOSPB/external_skia,MinimalOS-AOSP/platform_external_skia,rubenvb/skia,Jichao/skia,BrokenROM/external_skia,boulzordev/android_external_skia,Igalia/skia,BrokenROM/external_skia,Jichao/skia,chenlian2015/skia_from_google,Igalia/skia,aosp-mirror/platform_external_skia,MonkeyZZZZ/platform_external_skia,amyvmiwei/skia,pcwalton/skia,PAC-ROM/android_external_skia,scroggo/skia,Infinitive-OS/platform_external_skia,HalCanary/skia-hc,ominux/skia,ominux/skia,YUPlayGodDev/platform_external_skia,VRToxin-AOSP/android_external_skia,MonkeyZZZZ/platform_external_skia,w3nd1go/android_external_skia,AOSP-YU/platform_external_skia,boulzordev/android_external_skia,noselhq/skia,google/skia,qrealka/skia-hc,DiamondLovesYou/skia-sys,MarshedOut/android_external_skia,spezi77/android_external_skia,w3nd1go/android_external_skia,samuelig/skia,Hikari-no-Tenshi/android_external_skia,scroggo/skia,MarshedOut/android_external_skia,vanish87/skia,geekboxzone/mmallow_external_skia,nfxosp/platform_external_skia,amyvmiwei/skia,aosp-mirror/platform_external_skia,Infinitive-OS/platform_external_skia,vanish87/skia,boulzordev/android_external_skia,todotodoo/skia,qrealka/skia-hc,nfxosp/platform_external_skia,HalCanary/skia-hc,OneRom/external_skia,shahrzadmn/skia,TeamTwisted/external_skia,tmpvar/skia.cc,MinimalOS-AOSP/platform_external_skia,geekboxzone/mmallow_external_skia,todotodoo/skia,amyvmiwei/skia,PAC-ROM/android_external_skia,Hikari-no-Tenshi/android_external_skia,BrokenROM/external_skia,scroggo/skia,AOSPB/external_skia,MinimalOS-AOSP/platform_external_skia,pcwalton/skia,YUPlayGodDev/platform_external_skia,boulzordev/android_external_skia,noselhq/skia,pcwalton/skia,shahrzadmn/skia,samuelig/skia,amyvmiwei/skia,VRToxin-AOSP/android_external_skia,nfxosp/platform_external_skia,jtg-gg/skia,invisiblek/android_external_skia,jtg-gg/skia,timduru/platform-external-skia,geekboxzone/mmallow_external_skia,todotodoo/skia,rubenvb/skia,spezi77/android_external_skia,nvoron23/skia,geekboxzone/mmallow_external_skia,UBERMALLOW/external_skia,tmpvar/skia.cc,BrokenROM/external_skia,samuelig/skia,AOSP-YU/platform_external_skia,nvoron23/skia,geekboxzone/mmallow_external_skia,YUPlayGodDev/platform_external_skia,Infinitive-OS/platform_external_skia,UBERMALLOW/external_skia,PAC-ROM/android_external_skia,vanish87/skia,TeamTwisted/external_skia,noselhq/skia,qrealka/skia-hc,spezi77/android_external_skia,TeamExodus/external_skia,TeamExodus/external_skia,invisiblek/android_external_skia,invisiblek/android_external_skia,boulzordev/android_external_skia,Jichao/skia,HalCanary/skia-hc,Hikari-no-Tenshi/android_external_skia,MonkeyZZZZ/platform_external_skia,vanish87/skia,rubenvb/skia,TeamExodus/external_skia,TeamExodus/external_skia,boulzordev/android_external_skia,jtg-gg/skia,noselhq/skia,HalCanary/skia-hc,chenlian2015/skia_from_google,rubenvb/skia,spezi77/android_external_skia,Igalia/skia,spezi77/android_external_skia,google/skia,timduru/platform-external-skia,todotodoo/skia,AOSP-YU/platform_external_skia,TeamExodus/external_skia,samuelig/skia,tmpvar/skia.cc,AOSP-YU/platform_external_skia,qrealka/skia-hc,Jichao/skia,geekboxzone/mmallow_external_skia,BrokenROM/external_skia,UBERMALLOW/external_skia,vanish87/skia,VRToxin-AOSP/android_external_skia,MinimalOS-AOSP/platform_external_skia,ominux/skia,HalCanary/skia-hc,MinimalOS-AOSP/platform_external_skia,TeamTwisted/external_skia,UBERMALLOW/external_skia,MonkeyZZZZ/platform_external_skia,nvoron23/skia,aosp-mirror/platform_external_skia,ominux/skia,OneRom/external_skia,nfxosp/platform_external_skia,MarshedOut/android_external_skia,ominux/skia,pcwalton/skia,rubenvb/skia,PAC-ROM/android_external_skia,noselhq/skia,TeamTwisted/external_skia,pcwalton/skia,boulzordev/android_external_skia,Hikari-no-Tenshi/android_external_skia,jtg-gg/skia,Jichao/skia,invisiblek/android_external_skia,chenlian2015/skia_from_google,google/skia,VRToxin-AOSP/android_external_skia,shahrzadmn/skia,UBERMALLOW/external_skia,AOSP-YU/platform_external_skia,pcwalton/skia,tmpvar/skia.cc,TeamExodus/external_skia,MinimalOS-AOSP/platform_external_skia,vanish87/skia,BrokenROM/external_skia,PAC-ROM/android_external_skia,noselhq/skia,UBERMALLOW/external_skia,MonkeyZZZZ/platform_external_skia,VRToxin-AOSP/android_external_skia,rubenvb/skia,UBERMALLOW/external_skia,rubenvb/skia,ominux/skia,MonkeyZZZZ/platform_external_skia,DiamondLovesYou/skia-sys,ominux/skia,scroggo/skia,google/skia,shahrzadmn/skia,Infinitive-OS/platform_external_skia,TeamTwisted/external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,MonkeyZZZZ/platform_external_skia,YUPlayGodDev/platform_external_skia,samuelig/skia,MonkeyZZZZ/platform_external_skia,chenlian2015/skia_from_google,nvoron23/skia,google/skia,AOSP-YU/platform_external_skia,scroggo/skia,PAC-ROM/android_external_skia,todotodoo/skia,noselhq/skia,geekboxzone/mmallow_external_skia,Igalia/skia,jtg-gg/skia,qrealka/skia-hc,shahrzadmn/skia,amyvmiwei/skia,tmpvar/skia.cc,vanish87/skia,PAC-ROM/android_external_skia,invisiblek/android_external_skia,UBERMALLOW/external_skia,AOSPB/external_skia,OneRom/external_skia,OneRom/external_skia,UBERMALLOW/external_skia,MinimalOS-AOSP/platform_external_skia,VRToxin-AOSP/android_external_skia,spezi77/android_external_skia,HalCanary/skia-hc,YUPlayGodDev/platform_external_skia,noselhq/skia,AOSPB/external_skia,AOSPB/external_skia,samuelig/skia,AOSPB/external_skia,google/skia,TeamTwisted/external_skia,MarshedOut/android_external_skia,w3nd1go/android_external_skia,amyvmiwei/skia,Hikari-no-Tenshi/android_external_skia,google/skia,shahrzadmn/skia,BrokenROM/external_skia,MarshedOut/android_external_skia,YUPlayGodDev/platform_external_skia,Jichao/skia,chenlian2015/skia_from_google,amyvmiwei/skia,HalCanary/skia-hc,rubenvb/skia,HalCanary/skia-hc,ominux/skia,TeamExodus/external_skia,geekboxzone/mmallow_external_skia,invisiblek/android_external_skia,MinimalOS-AOSP/platform_external_skia,todotodoo/skia,timduru/platform-external-skia,chenlian2015/skia_from_google,YUPlayGodDev/platform_external_skia,timduru/platform-external-skia,Igalia/skia,nfxosp/platform_external_skia,w3nd1go/android_external_skia,invisiblek/android_external_skia,MarshedOut/android_external_skia,TeamTwisted/external_skia,shahrzadmn/skia,Jichao/skia,Infinitive-OS/platform_external_skia,qrealka/skia-hc,nfxosp/platform_external_skia,VRToxin-AOSP/android_external_skia,samuelig/skia,DiamondLovesYou/skia-sys,pcwalton/skia,OneRom/external_skia,nvoron23/skia,nvoron23/skia,DiamondLovesYou/skia-sys,shahrzadmn/skia,OneRom/external_skia,qrealka/skia-hc,AOSP-YU/platform_external_skia,DiamondLovesYou/skia-sys,chenlian2015/skia_from_google,google/skia,DiamondLovesYou/skia-sys,Infinitive-OS/platform_external_skia,w3nd1go/android_external_skia,rubenvb/skia,TeamExodus/external_skia,PAC-ROM/android_external_skia,Hikari-no-Tenshi/android_external_skia,aosp-mirror/platform_external_skia,DiamondLovesYou/skia-sys,scroggo/skia,TeamTwisted/external_skia,Jichao/skia,todotodoo/skia,Igalia/skia,jtg-gg/skia,Infinitive-OS/platform_external_skia,w3nd1go/android_external_skia,MonkeyZZZZ/platform_external_skia,tmpvar/skia.cc,nfxosp/platform_external_skia,MinimalOS-AOSP/platform_external_skia,rubenvb/skia,w3nd1go/android_external_skia,aosp-mirror/platform_external_skia,todotodoo/skia,vanish87/skia,timduru/platform-external-skia,PAC-ROM/android_external_skia,aosp-mirror/platform_external_skia,noselhq/skia,OneRom/external_skia,scroggo/skia,Jichao/skia,AOSP-YU/platform_external_skia,shahrzadmn/skia,scroggo/skia,pcwalton/skia,boulzordev/android_external_skia,geekboxzone/mmallow_external_skia,YUPlayGodDev/platform_external_skia,YUPlayGodDev/platform_external_skia,MarshedOut/android_external_skia,AOSP-YU/platform_external_skia,tmpvar/skia.cc,MarshedOut/android_external_skia,VRToxin-AOSP/android_external_skia,OneRom/external_skia,todotodoo/skia,w3nd1go/android_external_skia,pcwalton/skia,VRToxin-AOSP/android_external_skia,AOSPB/external_skia,HalCanary/skia-hc,BrokenROM/external_skia,vanish87/skia,OneRom/external_skia,amyvmiwei/skia,timduru/platform-external-skia,samuelig/skia