Set low priority for trunk builders -> they should go away really soon
Set low priority for trunk builders -> they should go away really soon

TBR=ricow

Review URL: https://codereview.chromium.org/59563003

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@232953 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build