Merge "Clear FLAG_STARTING_WINDOW_TRANSFER_RECIPIENT properly" into udc-dev am: 53c901a0 am: fa6c266a am: 898e66cb

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23109636



Change-Id: Ib2e71b2ec352a2579bed9e4d2afffc73c40ebf00
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>