Add a log onClusterStateChanged am: 98c913e157

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Car/Cluster/+/22957288

Change-Id: I3e228d6ad394b6857d1ec24f260d76464cb7d01a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>