Make UsersDashboardAlias primary profile controlled.

Add PRIMARY_PROFILE_CONTROLLED metadata to UsersDashboardAlias and
add it to the Settings list for restricted user, so that it will be
shown to other users.

Change-Id: I9c090b15c3dced75eb7a405bd109ca7fb51807ab
Fix: 34194505
Test: Visual

src/com/android/settings/core/gateway/SettingsGateway.java

@@ -287,6 +287,7 @@ public class SettingsGateway {
             "com.android.settings.DisplayDashboardAlias",
             "com.android.settings.SoundDashboardAlias",
             "com.android.settings.SecurityDashboardAlias",
+            "com.android.settings.UsersDashboardAlias",
             Settings.UserAndAccountDashboardActivity.class.getName(),
             Settings.SystemDashboardActivity.class.getName(),
             Settings.SupportDashboardActivity.class.getName(),