[automerger skipped] pandora: Add a OnPairing method to host interface am: 796fce15 -s ours

am skip reason: Merged-In I578542dca3f5e9cced0c6a53f1f693c62119a4da with SHA-1 c9e4131b is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/19669176



Change-Id: Ic789e30fbee72030991c3e7858d853842d39a576
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>