[automerger skipped] leaudio: Fix characteristic subscribtion on reconnection am: d664b8fa -s ours

am skip reason: Merged-In Idda5dc54a9332ae35b8995d26a4441a50a13f67c with SHA-1 61217c95 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/18994752



Change-Id: I715a06f494904689ebc848b1d4a21a8d2873dd68
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>