Use better reference files with audioproc_unittest.

The files are shorter (7 s) with one set provided for each sample rate.

Will be accompanied by the following set of files in the resource bundle:
far8_stereo.pcm
far16_stereo.pcm
far32_stereo.pcm
near8_stereo.pcm
near16_stereo.pcm
near32_stereo.pcm

BUG=114
TEST=audioproc_unittest

Review URL: https://webrtc-codereview.appspot.com/380003

git-svn-id: http://webrtc.googlecode.com/svn/trunk@1617 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/DEPS b/DEPS
index 5386b8c..086828d 100644
--- a/DEPS
+++ b/DEPS
@@ -8,7 +8,7 @@
 
   # External resources like video and audio files used for testing purposes.
   # Downloaded on demand when needed.
-  "webrtc_resources_revision": "7",
+  "webrtc_resources_revision": "8",
 }
 
 # NOTE: Prefer revision numbers to tags for svn deps.