GitLab

The filtered (by dimensions) pool for ToTiOS* has one bot
 that is on Mac 10.13 (build227-m9), causing infra failures.
 Binding ToTiOS* bots to min required os version (10.14)
 until all bots have been upgraded.

Change-Id: I42902d6f880dff1c7d2b245e65c3ff339e645d29
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1894306Reviewed-by: John Budorick <jbudorick@chromium.org>
Commit-Queue: Jeff Yoon <jeffyoon@chromium.org>
Cr-Commit-Position: refs/heads/master@{#711869}