9ea4f9c981
Adds documentation for the GPU expectation files since the expectation file format isn't particularly well documented and there are a number of extensions due to the unexpected pass finders that weren't documented anywhere other than the source code. Bug: 1386094 Change-Id: Id57d4f348fcd31f552441106e4a5456d15a8f494 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4085319 Reviewed-by: Yuly Novikov <ynovikov@chromium.org> Auto-Submit: Brian Sheedy <bsheedy@chromium.org> Commit-Queue: Yuly Novikov <ynovikov@chromium.org> Cr-Commit-Position: refs/heads/main@{#1081754}