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

Camera VTS: Properly initialize Stream in various places am: 263e3620 am: 45063e6c am: 65e8d93a

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



Change-Id: I1198846b0e677951c8ee4b85a1d98a1ee0a0ba93
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>