Show disabled summary for CDC

When the admin disabled a pin/pattern/pass, the summary should now
reflect this.

Test: N/A
Fixes: 343213209
Flag: EXEMPT bugfix
Change-Id: I87e6fbefd014e2623948abbf82b452208e8ef58e

src/com/android/settings/password/ChooseLockGeneric.java

@@ -776,6 +776,9 @@ public class ChooseLockGeneric extends SettingsActivity {
                         entries.removePreference(pref);
                     } else if (!enabled) {
                         pref.setEnabled(false);
+                        pref.setSummary(
+                                com.android.settingslib.widget
+                                        .restricted.R.string.disabled_by_admin);
                     }
                 }
             }