Disabling new legacy call test on Android.

The new test is as broken on Android as the old ones, so let's add that
to the disable list.

BUG=181069
TBR=bemasc@chromium.org
NOTRY=True

Review URL: https://codereview.chromium.org/56023006

git-svn-id: http://src.chromium.org/svn/trunk/src/build@232700 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

android/pylib/gtest/filter/content_browsertests_disabled

@@ -70,6 +70,7 @@ WebrtcBrowserTest.CanForwardRemoteStream720p
 WebrtcBrowserTest.CanSetupVideoCall
 WebrtcBrowserTest.CanSetupAudioAndVideoCall
 WebrtcBrowserTest.CanSetupAudioAndVideoCallWithoutMsidAndBundle
+WebrtcBrowserTest.CanSetupLegacyCall
 WebrtcBrowserTest.CallWithDataOnly
 WebrtcBrowserTest.CallWithDataAndMedia
 WebrtcBrowserTest.CanMakeEmptyCallThenAddStreamsAndRenegotiate