Merge "Allow enabling and disable car mode from the shell." into tm-dev am:...

Merge "Allow enabling and disable car mode from the shell." into tm-dev am: 1fbb452d am: 03059f47 am: ebe293ff am: ebe23f23

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18600317



Change-Id: I9c82df5f1e58bb0d3cbe460e032096a4ba6b7a49
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>