Fix typo in AppRTC revision

When manually working around the CQ issue of
https://codereview.chromium.org/1023683002/ I entered
the revision hash incorrectly.

BUG=467471
TBR=phoglund@chromium.org
TESTED=Ran a successful sync on a local checkout.

Review URL: https://codereview.chromium.org/1026653002

git-svn-id: http://src.chromium.org/svn/trunk/deps/third_party/webrtc/webrtc.DEPS@294512 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
1 file changed