[Metrics] Add logging to profile connection attempts

Current logging adds support to measure for A2DP and HFP profile
attempts along with their result and reasons for profile connection
attempts.

Test: m followed by connecting to BT device supporting A2DP and HFP
and then statsd_testdrive 696

Bug: 285027829

Change-Id: Ie70c5a40a00b57d8c65857151774e6346acced85