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

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

Change-Id: I78b8342906cea80ed61c59d69ae2e2dc2f395a0a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>