Merge "WifiDiagnostics: Remove blocking call to readLine()" into rvc-dev am: 7fde9cd3b1

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/net/wifi/+/11686182

Change-Id: I6d52357088f3986fbd295efa1d41678755b9c419
tree: a5212c0209d12319c1d54ae0be876e87bd26da92
  1. apex/
  2. service/
  3. metrics_pdd_hook.py
  4. PREUPLOAD.cfg