R1:a15b0063df3d

Add "Revision has passing builds" Herald rules for commit content (pushes) and commits (discovery)

Summary:
Depends on D20469. Ref T13276. See PHI1159. See PHI953. See PHI901.

Allow Herald to detect when "arc land" would (or did) warn users about failed or ongoing builds. This respects the "Warn on Landing" build plan behavior.

To accomplish this:

- When we close a revision, set a "wrong build state" flag if it lands in the wrong build state.
- If the revision is closed when we hit Herald, look for…