
Add code for delta-encoding and decoding, to be used when producing WebRTC event logs of the new format. This CL supports fixed-size encoding only. Also, no support for signed deltas or optional values yet. These will be added in subsequent CLs. Bug: webrtc:8111 Change-Id: I531abd99fd924f4c9e692abe565bc6f66c875ad5 Reviewed-on: https://webrtc-review.googlesource.com/c/100304 Reviewed-by: Björn Terelius <terelius@webrtc.org> Commit-Queue: Elad Alon <eladalon@webrtc.org> Cr-Commit-Position: refs/heads/master@{#25256}