Camera VTS: Properly initialize Stream in various places am: 263e362091 am: 45063e6c9f am: 0475dfe328 am: 1c201d5de9 am: 3098543f1b

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

Change-Id: I7af36e252a2d8b6c960af338338a9ca2988b9a42
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>