veyron/services/identity/blesser: Restore email domain restriction.

https://vanadium.googlesource.com/release.go.core/+/04403e974dce3d62aa9d60f2a470ae732fef424a
accidentally stopped respecting the --google_domain flag. This commit
restores respesct for the flag.

Change-Id: If3979549c64f5b7e31b4d81f43e43461042ffce3
1 file changed
tree: d476c2557d7edb6c1b6a39bcf9c7a4b1cb37bd1c
  1. lib/
  2. profiles/
  3. runtimes/
  4. security/
  5. services/
  6. tools/