The CodecTimer is not a codec timer, it's more like a decoder stopwatch with a percentile filter wrapped around it. Since the purpose of the class is to provide an estimate for how much decode delay to add when determining the render timestamp of a frame, let's rename this class to `DecodeTimePercentileFilter`.
No functional changes are intended.
Bug: webrtc:14905
Change-Id: I48c99e4f500c4f9e1a2a20b0afe72d6e76c5192d
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/293462
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Commit-Queue: Rasmus Brandt <brandtr@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#39332}