Merge tag 'android-9.0.0_r31' into lineage-16.0-android-9.0.0_r31

Android 9.0.0 Release 31 (PQ2A.190205.001)

* tag 'android-9.0.0_r31':
  Try harder to connect to bluetooth
  Import translations. DO NOT MERGE
  Add new telecom metrics for emergency dialer
  Import translations. DO NOT MERGE
  Add unit test for PhoneAccount equality operator.

Change-Id: I29bfc72a9ff10e9eb19f498dd2bba63e3e93d7f3