Camera2: Unconditionally shut down streams on disconnect.

stopPreviewL may do nothing in certain states. Stop streams directly
to avoid those failures, so that we always maintain the HAL interface
invariant that streams referenced by in-flight requests are never
deleted.

Bug: 7276954
Change-Id: Ic4cffc43036f4944684d941981a43d6dd1dce7af
1 file changed