Add sysprop for BLE Privacy am: e9451ae8c4

Original change: https://android-review.googlesource.com/c/platform/system/libsysprop/+/2056085

Change-Id: Idf34936a82f1fa79464f62442175d47d5a2f0df4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
tree: a54217cc5455966e1c88fcb355c6c63548dcea0e
  1. srcs/
  2. CAR_OWNERS
  3. OWNERS