Merge "audiomanager: fix orphan focus holder when using ext focus policy" into main am: 632c8f93

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3527210



Change-Id: If663a49307b65ef24f75b5ad12b943de81e5a4b6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>