Merge "Fix FD ownership for local FileSource" into rvc-dev am: 61375308e2 am: 971bb0305f am: 8796ef6a8a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/12023202

Change-Id: I6a59ff5ce2983c75cbcb2f15d378dbda24b3058d