Disable a crashing TwoClientBookmarksSyncTest.

BUG=836426
TBR=skym@chromium.org
NOTRY=true

Change-Id: Ie9c07c1417ab693d517e1ac4ee3dc8082465a58a
Reviewed-on: https://chromium-review.googlesource.com/1026790Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
Cr-Commit-Position: refs/heads/master@{#553299}

chrome/browser/sync/test/integration/two_client_bookmarks_sync_test.cc

@@ -1815,8 +1815,10 @@ IN_PROC_BROWSER_TEST_F(TwoClientBookmarksSyncTest,
   ASSERT_TRUE(BookmarksMatchVerifierChecker().Wait());
 }
 
-IN_PROC_BROWSER_TEST_F(TwoClientBookmarksSyncTest,
-                       FirstClientEnablesEncryptionWithPassSecondChanges) {
+// Test is crashing. https://crbug.com/836426
+IN_PROC_BROWSER_TEST_F(
+    TwoClientBookmarksSyncTest,
+    DISABLED_FirstClientEnablesEncryptionWithPassSecondChanges) {
   ASSERT_TRUE(SetupSync()) << "SetupSync() failed.";
   ASSERT_TRUE(AllModelsMatchVerifier());