Camera VTS: Properly initialize Stream in various places am: 263e3620 am:...

Camera VTS: Properly initialize Stream in various places am: 263e3620 am: 45063e6c am: 0d26d53a am: 85e17fc9 am: 1a3d43be

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



Change-Id: Ica88bd88f22cf17f57ace98540d20c1b68eee400
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>