Merge "Invalidate home task snapshot onWakeAndUnlock." into tm-dev am: 30183c1c am: 84545d2a

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



Change-Id: Ia919ca13990c794f6ee5f47fae7bf9393bff5208
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>