Disable HostDriven_SyncTest.testGetAboutSyncInfoYieldsValidData,
an host driven Android sync test. It has become flaky.

R=vadimsh@chromium.org
TBR=nyquist@chromium.org
BUG=329757

Review URL: https://codereview.chromium.org/102113005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@241813 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 241813