MediaMetricsService: Parse Spatializer metrics items am: e0d43b4204

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/19728260

Change-Id: I3ca5ad37aa5e23531c4015309893db0615388c76
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>