Disabling the real player plugin test as it causes chrome to hang. This seems to be a bug

in the plugin as the same test case hangs in Firefox as well.

BUG=44673
TEST=none
TBR=jam

Review URL: http://codereview.chromium.org/6001006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@70005 0039d316-1c4b-4281-b951-d872f2087c98