Revert 290818 "Now fetching audio test tools from a separate buc..."
This breaks WebRtcAudioQualityBrowserTest.MANUAL_TestAudioQuality on http://build.chromium.org/p/chromium.webrtc/builders/Win7%20Tester
> Now fetching audio test tools from a separate bucket.
>
> Review URL: https://codereview.chromium.org/
487303002
TBR=phoglund@chromium.org
Review URL: https://codereview.chromium.org/
473423003
Cr-Commit-Position: refs/heads/master@{#291013}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@291013 0039d316-1c4b-4281-b951-d872f2087c98