Roll external/skia 4cdf3adb3..cc7f660a8 (1 commits)
Roll external/skia 4cdf3adb3..cc7f660a8 (1 commits)

https://skia.googlesource.com/skia.git/+log/4cdf3adb3..cc7f660a8

2017-09-06 reed@google.com impl blitAntiV2 via mask for rasterpipeline

Test: Presubmit checks will test this change.
Change-Id: I09c1a7a4d5638c571d74855cce92aa8a1b2e3ec9

Hikari-no-Tenshi/android_external_skia,Hikari-no-Tenshi/android_external_skia,Hikari-no-Tenshi/android_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,Hikari-no-Tenshi/android_external_skia,aosp-mirror/platform_external_skia,Hikari-no-Tenshi/android_external_skia,aosp-mirror/platform_external_skia,Hikari-no-Tenshi/android_external_skia,Hikari-no-Tenshi/android_external_skia,Hikari-no-Tenshi/android_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia