rewrite ambiguous comment
rewrite ambiguous comment

It took me a few reads, but it eventually swapped from bunny to duck.

BUG=skia:

Review URL: https://codereview.chromium.org/913733002

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