Merge "Trims Recent Task when Task windowing mode changed after dismiss...

Merge "Trims Recent Task when Task windowing mode changed after dismiss split-screen" into udc-qpr-dev am: 970f6c42 am: f6f37a93

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24033385



Change-Id: I4b10e8988053f0e68eb9f619d721a255135e2e8d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>