[automerger skipped] Don't update volume if volume level is same as current...

[automerger skipped] Don't update volume if volume level is same as current device volume. am: 4a29cc9f -s ours am: 9a0ab1cc -s ours

am skip reason: Change-Id I20bd4e4627311ca0d871b7f018f1b4a90e19b1ff with SHA-1 f0c80118 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Bluetooth/+/12129585

Change-Id: I040618e0ba2321e73d9a6a6ff35342a28c6e6676