Merge "Merge "Revert "Set overlayable for CarsystemUI NavBar"" into rvc-dev am: 7315e30e95 am: 7a17a51c47" into rvc-d1-dev-plus-aosp am: 3461651c9e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11886963

Change-Id: Ief0fc67e40f460ec7d20368daf1a5b8111289fba