Merge changes I52efc7fd,I531c1be0,Ib3870fb1,I94e95ead,I72140e75 into udc-dev

* changes:
  Emit Simple Metrics for Set/GetCredProvider APIs
  Primary Info in Candidate Metric
  Adding isPrimary to Final Phase Metrics
  Setting up the emit of the aggregate phase
  Completely emitting aggr candidate+auth metrics