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

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

Change-Id: I8d157319a7600fd894cca643104bf66dbec49917
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>