GitLab

Priority 29 was introduced accidentally during LUCI migration, and was later
fixed. All the other Chromium CQ isolated tests now run at the default priority
30. Updating the priority to prevent ios-* builder from starving other Mac try
bots.

Bug: 908929
Change-Id: I7a70de756c4b63bac0a5bd55b9fa6ad285f9aea5
Reviewed-on: https://chromium-review.googlesource.com/c/1352583Reviewed-by: John Budorick <jbudorick@chromium.org>
Commit-Queue: Sergey Berezin <sergeyberezin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#611425}