We want to avoid system clock dependencies in congestion
controllers as it makes it harder to test them. This CL removes
a rtc::TimeMillis() call from the AlrDetector class and removes
dependencies on rtc_base_approved as it exposes time_utils.h.
Bug: None
Change-Id: Ie50a27399c05a0c50cdc17ad142db884b94ee918
Reviewed-on: https://webrtc-review.googlesource.com/c/124491
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Christoffer Rodbro <crodbro@webrtc.org>
Commit-Queue: Sebastian Jansson <srte@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26879}