R1:759c757264c8

Include "Draft" revisions in Differential legacy status queries

Summary:
See PHI199. Ref T2543. When you run a RevisionQuery with a legacy status constraint (via `differential.query`), we currently don't match "Draft" revisions.

Use the actual complete map from `DifferentialRevisionStatus` instead of hard coding the status list so "Draft" is included.

Test Plan:
- Ran `differential.query` with `ids` and `status` for a draft revision.
- Before patch: revision not returned in results.
- After patch…