MetricsGroup split into 3 groups, session, engine, and crypto. MetricsFrontEnd and Report removed. This is a merge from wvgerrit/28420 Bug: 36217927 Test: Added unit tests to cover modified code. Change-Id: I2f39f99ce88cc2229d6d1aa9459c67c5b86ccef4
MetricsGroup split into 3 groups, session, engine, and crypto. MetricsFrontEnd and Report removed. This is a merge from wvgerrit/28420 Bug: 36217927 Test: Added unit tests to cover modified code. Change-Id: I2f39f99ce88cc2229d6d1aa9459c67c5b86ccef4