Update CameraStreamBuffering test and correct instance name am: 912b16f8c5 am: b89bbf5625 am: e68bfd2cf7 am: bbf031014e

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2794200

Change-Id: Id22483f9c385ab6b6f94d8691b1b5b4219b3008f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>