Merge "Allow users to switch between FE source and DVR source when testing record/descrambling/broadcast" into sc-dev am: 56721a733c

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/14308346

Change-Id: Ic69030edc56879a47c6c6e8d01a2898bd38ffaff