Merge "Audio focus: no "strong duck" for navigation use case" into udc-dev am:...

Merge "Audio focus: no "strong duck" for navigation use case" into udc-dev am: 2cdaf2f5 am: 963af15a am: c9b2544b am: c6b327fa

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23666670



Change-Id: I94556779c8bc2ea2e249d83d3a0d38c289aceb4b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>