Camera VTS: Properly initialize Stream in various places am: 263e3620 am: 45063e6c am: 0475dfe3 am: 1c201d5d

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



Change-Id: I03b6b0e8e91f1dc857d398163e7bf2f68ea69efe
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>