Mirko Bonadei 8e3cb53892 Remove activity_metric tool.
All the changes to these code are migration or codebase maintenance
changes, the tool seems unused so instead of migrating it to ABSL_FLAG
this CL removes the code.

As agreed on https://webrtc-review.googlesource.com/c/src/+/143967/1#message-067b02363890435e52646dcfdf967df745ac37f1.

Bug: None
Change-Id: I57912541b2c0d0f49e2b862184db335f59def0e7
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/144620
Reviewed-by: Alessio Bazzica <alessiob@webrtc.org>
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#28484}
2019-07-04 11:07:50 +00:00
..
2019-07-04 11:07:50 +00:00
2018-11-26 11:30:34 +00:00