Add content/test/data to QA waterfall
Add content/test/data to QA waterfall

chrome/test/data/plugin was moved to content/test/data/plugin

Make content/test/data and content/test/data/plugin available on the QA
waterfall.

TEST=None
BUG=138857
Review URL: https://chromiumcodereview.appspot.com/10822006

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@148399 0039d316-1c4b-4281-b951-d872f2087c98

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