Actually use the flag when sending notification

Author: aurimasc

TestProjects/com.unity.mobile-notifications-sample/Assets/Scripts/AndroidTest.cs

@@ -146,7 +146,8 @@ private void InstantiateAllTestButtons()
                             SortKey = template.SortKey,
                             IntentData = template.IntentData,
                             ShowTimestamp = template.ShowTimestamp,
-                            RepeatInterval = TimeSpan.FromSeconds(template.RepeatInterval)
+                            RepeatInterval = TimeSpan.FromSeconds(template.RepeatInterval),
+                            ShowInForeground = template.ShowInForeground,
                         },
                         template.Channel, template.NotificationID
                     );