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: 8bb9443f am: ef849d75 am: f28470e4

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



Change-Id: I447128db8adf005f174f27c573184336b9233618
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>