Merge "audio: prevent invalid fallback when in tuner passthrough" am: 7c83e3e1a4 am: f937c3b7ac

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2493577

Change-Id: I4be7a7b018409eea7bcb4468658e1cda8df3db9f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>