Merge "Manually set mLastTileBottom when not laying out" into tm-dev am: 78fd61c2 am: 117c5ac3 am: 377ea255

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18091104



Change-Id: I54093fe2931bae51147442858cf17d83892636ed
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>