HDM: Prevent race condition by guarding with lock. am: 2ea767ca1b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/net/wifi/+/11753011

Change-Id: I70ce9133e8ab81d59d94d387e2b63adfe80e7cfe
tree: 6e58f01be07a008159b4a5ca5e18e9969c5df4e1
  1. apex/
  2. service/
  3. metrics_pdd_hook.py
  4. PREUPLOAD.cfg