fix: bring comment up to date with code (#1838)
fix: bring comment up to date with code (#1838)

@chingor13 I think there are still some old projects using Java 7 on app engine, but Java 6 should be gone.

googleapis/google-api-java-client,googleapis/google-api-java-client,googleapis/google-api-java-client,googleapis/google-api-java-client