Merge "Remove redundant WindowContainerInsetsSourceProvider" into udc-dev am: 302b6698 am: 9dc88e9e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22305717



Change-Id: I7daafe8b32191d54856ede7db295a4a4c30b3e39
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>