Merge "Fix for WebView not drawing in a layer" into rvc-dev am: 70a24c3253 am: 22647c3f3d am: 3b3e8dd422

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12121325

Change-Id: I3d3bccaef70814eb6ce340ade608b4103cb55656