Disabled flaky test TestPrivacySecurityPrefs

TBR=battre@chromium.org

Bug: 1096966
Change-Id: I01e9d9d0acc27c8651b7a27bd09b132cd183914e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2252193Reviewed-by: Andy Paicu <andypaicu@chromium.org>
Commit-Queue: Andy Paicu <andypaicu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#780209}

chrome/browser/prefs/pref_functional_browsertest.cc

@@ -229,8 +229,9 @@ IN_PROC_BROWSER_TEST_F(PrefsFunctionalTest, PRE_TestPrivacySecurityPrefs) {
   prefs->SetBoolean(prefs::kSearchSuggestEnabled, false);
 }
 
+// Flaky (crbug.com/1096966)
 // Verify the security preference under privacy across restarts. Part2
-IN_PROC_BROWSER_TEST_F(PrefsFunctionalTest, TestPrivacySecurityPrefs) {
+IN_PROC_BROWSER_TEST_F(PrefsFunctionalTest, DISABLED_TestPrivacySecurityPrefs) {
   PrefService* prefs = browser()->profile()->GetPrefs();
 
   EXPECT_EQ(chrome_browser_net::NETWORK_PREDICTION_NEVER,