See util/bot/UPDATING for where they come from.
Change-Id: Ib2eae6efc737dd8c4e5fb001fd4b478102e0ad6a
Reviewed-on: https://boringssl-review.googlesource.com/7822
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>