Scheduling APIs: Inherit by default in yield()
Change the default to inherit if the signal and priority options are not
given. This puts the implementation in line with the draft spec:
https://pr-preview.s3.amazonaws.com/shaseley/scheduling-apis/pull/88.html
Bug: 40633887
Change-Id: Id36c305421bac88d6d49ebb9b796c2d2584e341f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5506575
Reviewed-by: Nate Chapin japhet@chromium.org
Commit-Queue: Scott Haseley shaseley@chromium.org
Cr-Commit-Position: refs/heads/main@{#1295865}