Merge "Suppress app transition while recents is running" into tm-dev am: 0d83eb09 am: 48fd600e am: 53a8fe1d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18140343



Change-Id: I97bcd3eb5277061dc4981784fbd2c21380525e61
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>