Allow lines to be highlighted on managed service pages.

Test: manual
Change-Id: I4d20b7b146b17dea8bc0ed3957d18394931889a8
Fixes: 72067617

src/com/android/settings/notification/ZenAccessSettings.java

@@ -137,6 +137,7 @@ public class ZenAccessSettings extends EmptyTextSettings {
             final String pkg = app.packageName;
             final CharSequence label = app.loadLabel(mPkgMan);
             final SwitchPreference pref = new AppSwitchPreference(getPrefContext());
+            pref.setKey(pkg);
             pref.setPersistent(false);
             pref.setIcon(app.loadIcon(mPkgMan));
             pref.setTitle(label);

src/com/android/settings/utils/ManagedServiceSettings.java

@@ -143,8 +143,10 @@ public abstract class ManagedServiceSettings extends EmptyTextSettings {
                 final boolean enable = (boolean) newValue;
                 return setEnabled(cn, summary, enable);
             });
+            pref.setKey(cn.flattenToString());
             screen.addPreference(pref);
         }
+        highlightPreferenceIfNeeded();
     }
 
     private int getCurrentUser(int managedProfileId) {