[automerger skipped] MediaMetrics: Add HeatMap to track items with status. am: 137a99f1 am: 2dbefdd6 -s ours

am skip reason: Merged-In I6dd3d475400aac725e58890181ec309598525c03 with SHA-1 f1a23838 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/16483877

Change-Id: Ifc7ac2bbe8cd5af10746f8f63c40f16c0f73f181