Fix perf_av broken links in email notifications.
Fix perf_av broken links in email notifications.

Bug=122084

Review URL: http://codereview.chromium.org/9995007

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@130980 0039d316-1c4b-4281-b951-d872f2087c98

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