DO NOT MERGE Atoms: Add BluetoothClassicPairingEvent

* Add BluetoothClassicPairingEvent to log pairing and encryption
  related statistics

Bug: 124301137
Test: test drive with statsd
Change-Id: Idca6f6d340e03af91c5a6fb4102666d44167635b
(cherry picked from commit 42f7f8f47184e3e17d2fe36d87d01686bbacf421)
1 file changed
tree: 59ec594c422b14ce7a89e955d9086d41c0ae2ed9
  1. atom_field_options.proto
  2. atoms.proto