fix viewmatrix mapping in AAFillRect
fix viewmatrix mapping in AAFillRect

TBR=bsalomon@google.com
BUG=skia:

Review URL: https://codereview.chromium.org/1293823003

nvoron23/skia,ominux/skia,aosp-mirror/platform_external_skia,Hikari-no-Tenshi/android_external_skia,tmpvar/skia.cc,ominux/skia,vanish87/skia,rubenvb/skia,HalCanary/skia-hc,vanish87/skia,google/skia,google/skia,vanish87/skia,ominux/skia,Hikari-no-Tenshi/android_external_skia,HalCanary/skia-hc,shahrzadmn/skia,vanish87/skia,Hikari-no-Tenshi/android_external_skia,nvoron23/skia,qrealka/skia-hc,shahrzadmn/skia,ominux/skia,nvoron23/skia,nvoron23/skia,rubenvb/skia,Hikari-no-Tenshi/android_external_skia,nvoron23/skia,aosp-mirror/platform_external_skia,shahrzadmn/skia,google/skia,shahrzadmn/skia,tmpvar/skia.cc,rubenvb/skia,google/skia,vanish87/skia,qrealka/skia-hc,google/skia,HalCanary/skia-hc,shahrzadmn/skia,nvoron23/skia,aosp-mirror/platform_external_skia,vanish87/skia,tmpvar/skia.cc,nvoron23/skia,vanish87/skia,HalCanary/skia-hc,google/skia,ominux/skia,tmpvar/skia.cc,Hikari-no-Tenshi/android_external_skia,rubenvb/skia,Hikari-no-Tenshi/android_external_skia,nvoron23/skia,tmpvar/skia.cc,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,rubenvb/skia,google/skia,ominux/skia,shahrzadmn/skia,aosp-mirror/platform_external_skia,vanish87/skia,aosp-mirror/platform_external_skia,HalCanary/skia-hc,HalCanary/skia-hc,qrealka/skia-hc,rubenvb/skia,aosp-mirror/platform_external_skia,Hikari-no-Tenshi/android_external_skia,tmpvar/skia.cc,rubenvb/skia,tmpvar/skia.cc,qrealka/skia-hc,rubenvb/skia,tmpvar/skia.cc,HalCanary/skia-hc,qrealka/skia-hc,google/skia,google/skia,aosp-mirror/platform_external_skia,HalCanary/skia-hc,ominux/skia,shahrzadmn/skia,qrealka/skia-hc,rubenvb/skia,ominux/skia,ominux/skia,HalCanary/skia-hc,shahrzadmn/skia,tmpvar/skia.cc,aosp-mirror/platform_external_skia,vanish87/skia,rubenvb/skia,qrealka/skia-hc,shahrzadmn/skia,Hikari-no-Tenshi/android_external_skia,qrealka/skia-hc,HalCanary/skia-hc,google/skia,nvoron23/skia