[bluetooth] Add a2dp elapsed time metric

This metric is to replace the older metrics with one that represents
stream duration in seconds

Also use anchor to represent common codec list

Change-Id: Iea1a23490c8155a8a00ed19d639a23dca362e214
1 file changed
tree: a32ecbd2ba6d02096455cdb17e703fd6e071f7e9
  1. .gitignore
  2. BUILD.gn
  3. OWNERS
  4. check.py
  5. cobalt_internal/
  6. fuchsia/
  7. projects.yaml