Add chromium_builder_qa dependency to perf target.
Add chromium_builder_qa dependency to perf target.

Add pyauto to the perf target by depending on
chromium_builder_qa from chromium_builder_perf.

BUG=79636
TEST=pyauto is built by the perf builders

Review URL: http://codereview.chromium.org/6881065

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@82757 0039d316-1c4b-4281-b951-d872f2087c98

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