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: 2ae3945a

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



Change-Id: I34c205edd36e26e8f6eeeff0f98c854c7475f29c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>