Merge third_party/skia/src from https://chromium.googlesource.com/external/skia/src.git at 71562589f319f2e9d58481f8bafe1c90506c328a

This commit was generated by merge_from_chromium.py.

Change-Id: I1ca723d7992218175e53a5b6caa204ebbd287d6c