Fix ActionDisabledByAdminDialogHelperTest

- Revert user handling in setAdminSupportDetails to before my changes.
- Implement getUserProfiles in Settings-shadows as the the
  Settings-shadows do not forwarded to profiles the robolectric-default
  shadows

Test: make RunSettingsRoboTests
Change-Id: Idfd4722fe55a17c57d336db943904eb1aeb6e7ce

tests/robotests/src/com/android/settings/testutils/shadow/ShadowUserManager.java

@@ -88,6 +88,16 @@ public class ShadowUserManager extends org.robolectric.shadows.ShadowUserManager
         return ids;
     }
 
+    @Implementation
+    public List<UserHandle> getUserProfiles(){
+        int[] userIds = getProfileIds(UserHandle.myUserId(), true /* enabledOnly */);
+        List<UserHandle> result = new ArrayList<>(userIds.length);
+        for (int userId : userIds) {
+            result.add(UserHandle.of(userId));
+        }
+        return result;
+    }
+
     @Implementation
     public int getCredentialOwnerProfile(@UserIdInt int userHandle) {
         return userHandle;