Merge "Invalidate home task snapshot onWakeAndUnlock." into tm-dev am: 30183c1c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17802841



Change-Id: I5c81bfa942c865950d9ac15ef1bd9b9699486a09
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>