Merge "Make WindowContainerTransaction add and remove insets with public...

Merge "Make WindowContainerTransaction add and remove insets with public types" into udc-dev am: 76293757 am: dde21166

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22167055



Change-Id: Ie73e78d5d019448abf5038f07d1d38daf46e2484
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>