Merge "Graceful handling of missing extractor metadata" into sc-dev am:...

Merge "Graceful handling of missing extractor metadata" into sc-dev am: e433c73d am: b1ad8948 am: 811044b2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/15178530

Change-Id: Ib9f574650c7fc89662b9c007cfd964f7ac38a5d8