DO NOT MERGE Add missing CAR_MIRROR properties to DefaultConfig.h am: 16bf94da56

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/19573351

Change-Id: I5f1817815e250ae50947e52f6deb0c0a8ece0b63
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>