Change "Long pressing work mode in quick settings" to managed profile settings

Test: Long pressing work mode can go to managed profile settings now.

Bug: 34189626
Change-Id: I84820b1ce0a5693f36236c1bb512c99db3c6e9df

AndroidManifest.xml

@@ -2306,6 +2306,18 @@
             <meta-data android:name="com.android.settings.PRIMARY_PROFILE_CONTROLLED"
                 android:value="true" />
         </activity>
+        <activity android:name="Settings$ManagedProfileSettingsActivity"
+            android:label="@string/managed_profile_settings_title"
+            android:taskAffinity=""
+            android:parentActivityName="Settings"
+            android:permission="android.permission.MANAGE_USERS">
+            <intent-filter android:priority="1">
+                <action android:name="android.settings.MANAGED_PROFILE_SETTINGS" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+            <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
+                android:value="com.android.settings.accounts.ManagedProfileSettings" />
+        </activity>
 
         <activity android:name="com.android.settings.accounts.AddAccountSettings"
             android:theme="@android:style/Theme.Translucent.NoTitleBar"

src/com/android/settings/accounts/ManagedProfileSettings.java

@@ -31,6 +31,7 @@ import android.util.Log;
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
 import com.android.settings.SettingsPreferenceFragment;
+import com.android.settings.Utils;
 import com.android.settingslib.RestrictedLockUtils;
 import com.android.settingslib.RestrictedSwitchPreference;
 
@@ -97,7 +98,8 @@ public class ManagedProfileSettings extends SettingsPreferenceFragment
                 }
             }
         }
-        return null;
+        // Return default managed profile for the current user.
+        return Utils.getManagedProfile(mUserManager);
     }
 
     private void loadDataAndPopulateUi() {