Merge "Remove NavigationBarOverlayController." into tm-dev am: e26bcbb8 am: 687738c3 am: 51bf6bb9

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18083703



Change-Id: Iab9b87c054359105108d0554abdaac2c20e3480f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>