Camera VTS: Properly initialize Stream in various places am: 263e362091

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/23850975

Change-Id: I640b11cb3e5b46aa26b44383fca29abbaf877cde
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>