[Metrics] Add Rtt measurement duration metrics

Updated-PDD: TRUE
Bug: 131708995
Test: atest com.android.server.wifi
Change-Id: Ib12fd6c730df726df7b3c80dd8f685df4e245922
5 files changed
tree: 9637b1af7362ce0ecd0d8ba88c94ecc5be390651
  1. apex/
  2. service/
  3. metrics_pdd_hook.py
  4. PREUPLOAD.cfg