Disable SSLUITest.TestCNInvalidStickiness, flakily hits an assertion.

TBR=rsleevi

BUG=68448, 49377
TEST=browser_tests
Review URL: http://codereview.chromium.org/6178005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@70876 0039d316-1c4b-4281-b951-d872f2087c98
  void ProceedThroughInterstitial(TabContents* tab) {
    InterstitialPage* interstitial_page = tab->interstitial_page();
    ASSERT_TRUE(interstitial_page);
    interstitial_page->Proceed();
    ui_test_utils::WaitForNavigation(&(tab->controller()));
  }

  void ProceedThroughInterstitial(TabContents* tab) {
    InterstitialPage* interstitial_page = tab->interstitial_page();
    ASSERT_TRUE(interstitial_page);
    interstitial_page->Proceed();
    ui_test_utils::WaitForNavigation(&(tab->controller()));
  }
