Merge "Change optional="false" to "true" in compat matrix 7" am: adf99047d5 am: 8ab633b73c

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2402196

Change-Id: Ibe6b17d220dc41ff19dc0ea0f39a4010171cb6fb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>