Add page Settings->Security & lock screen->Lock screen preferences.

- add the new preference screen that contains configuration for lock
screen notification, add user when locked, and owner info.
- refactor SecuritySettings to use the new owner info controller.

Fix: 36163515
Test: make RunSettingsRoboTests

Change-Id: I3bada8f652f89ed0af7aebc03f0bf2f637296b4d

src/com/android/settings/search/SearchIndexableResources.java

@@ -70,6 +70,7 @@ import com.android.settings.notification.ZenModePrioritySettings;
 import com.android.settings.notification.ZenModeSettings;
 import com.android.settings.notification.ZenModeVisualInterruptionSettings;
 import com.android.settings.print.PrintSettingsFragment;
+import com.android.settings.security.LockscreenDashboardFragment;
 import com.android.settings.sim.SimSettings;
 import com.android.settings.system.SystemDashboardFragment;
 import com.android.settings.tts.TtsEnginePreferenceFragment;
@@ -170,6 +171,8 @@ public final class SearchIndexableResources {
         addIndex(PaymentSettings.class, NO_DATA_RES_ID, R.drawable.ic_settings_nfc_payment);
         addIndex(
                 TtsEnginePreferenceFragment.class, NO_DATA_RES_ID, R.drawable.ic_settings_language);
+        addIndex(LockscreenDashboardFragment.class, R.xml.security_lockscreen_settings,
+            R.drawable.ic_settings_security);
     }
 
     private SearchIndexableResources() {