Merge "Remove the extra buffer allocation from hwui" into sc-dev am: 5001447b am: cab7a0c0 am: cf29b4af

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14627997

Change-Id: I7f3689028d3509cac2ba4516c90843bd1490e229