which are defined to be measured after decoding, not before: https://w3c.github.io/webrtc-stats/#dom-rtcinboundrtpstreamstats-keyframesdecoded BUG=webrtc:14728 Change-Id: I0a83dde278e1ebe8acf787bdac729af369a1ecf8 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/315520 Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org> Commit-Queue: Philipp Hancke <phancke@microsoft.com> Reviewed-by: Henrik Boström <hbos@webrtc.org> Cr-Commit-Position: refs/heads/main@{#40545}