Log bluetooth state change in metrics am: 211b7d58

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/23389483



Change-Id: I978bf34a6b5b992ad3b238e8007707243b16918b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>