[automerger skipped] Assign hf client handle from BTA_HF_CLIENT_OPEN_EVT am: 136c4d51 -s ours

am skip reason: Merged-In I251739b37b0785b5e5abebd4e3d34eb01dfb70c6 with SHA-1 5b8a70f5 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/21455579



Change-Id: I8f8ba752caa29fa710cdfe727513118049b94a28
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>