Merge "Fix race of releasing leashes with shell recents transition" into tm-qpr-dev am: 456f79de

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19201346



Change-Id: Ib49cbf203ebf645b79c4c0498ade2dee3bfc8416
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>