Track WifiState on single scan start

Adding a call to WifiMetrics, populating the WifiSystemStateEntries when
oneshot scans are started.

BUG=27793184

Change-Id: I694c17e7b2cfde54204ec206072a1ae5f58b088b
2 files changed
tree: 9be705b02d9bfe2b3adc50cfeaf05405b4b5fbb8
  1. service/
  2. tests/