Merge "Camera: Add missing characteristics for using buffermanager in ExternalCamera" into main am: 4103ef0c5a am: 5151c1f477 am: 36af76605f

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2884368

Change-Id: I3523501e297d5b4c61ae6760b3f25782c8654bec
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>