[automerger skipped] Add hfp sysprop for hf_client_features am: 8f2b868d am: 25b4211a -s ours

am skip reason: Merged-In Ic241364ceed263138797e3c3ad0f139da67e689a with SHA-1 248721c1 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/21957642



Change-Id: I843cefc3f2220b783d5775fbcf91136fa1bf08a5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>