[CloudToken] Update expiring flags for cloud token

Bug: 1020740
Change-Id: Ib1e8dbd5e540a0feeba7e5cf511ffd1934f9abd5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3142290


Reviewed-by: Jared Saul <jsaul@google.com>
Commit-Queue: Jared Saul <jsaul@google.com>
Cr-Commit-Position: refs/heads/main@{#918340}