Camera VTS: Properly initialize Stream in various places am: 263e362091 am: 45063e6c9f am: 0d26d53aed am: 6fee58e522

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

Change-Id: I7b8c6938aa28a1b9341f1d22b96e8335c64413f0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>