Merge "Send update config change when letterbox is moved" into udc-dev am:...

Merge "Send update config change when letterbox is moved" into udc-dev am: 40ae027d am: c78bd0e5

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22893140



Change-Id: Ia268bdbf724320e2f29bf42b23da4717cbb1ea80
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>