Round clear rects in drawPaint()

Bug: skia:
Change-Id: Iac4ef64d7b549ca51272996df0771cc3b25f024e
Reviewed-on: https://skia-review.googlesource.com/c/160943
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Michael Ludwig <michaelludwig@google.com>
1 file changed