Disable flaky WebView Safe Browsing Test.

See e.g. https://ci.chromium.org/p/chromium/builders/ci/Marshmallow%20Tablet%20Tester/13972

Tbr: boliu@chromium.org, carlosil@chromium.org
Bug: 1047527
Change-Id: I2513007de4c922183ce88845a29a656df1053e7f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2067801
Commit-Queue: Justin DeWitt <dewittj@chromium.org>
Reviewed-by: Justin DeWitt <dewittj@chromium.org>
Cr-Commit-Position: refs/heads/master@{#743361}

android_webview/javatests/src/org/chromium/android_webview/test/SafeBrowsingTest.java

@@ -48,6 +48,7 @@ import org.chromium.base.ThreadUtils;
 import org.chromium.base.task.PostTask;
 import org.chromium.base.test.util.CallbackHelper;
 import org.chromium.base.test.util.CommandLineFlags;
+import org.chromium.base.test.util.DisabledTest;
 import org.chromium.base.test.util.Feature;
 import org.chromium.base.test.util.InMemorySharedPreferences;
 import org.chromium.components.safe_browsing.SafeBrowsingApiBridge;
@@ -1348,6 +1349,7 @@ public class SafeBrowsingTest {
 
     @Test
     @SmallTest
+    @DisabledTest
     @Feature({"AndroidWebView"})
     public void testDestroyWebViewWithInterstitialShowing() throws Throwable {
         loadPathAndWaitForInterstitial(MALWARE_HTML_PATH);