Increase ThreadPool size to accomodate for settings thread

android/src/org/mavlink/qgroundcontrol/TaiSync.java

@@ -47,7 +47,7 @@ public class TaiSync
 
     public TaiSync()
     {
-        mThreadPool = Executors.newFixedThreadPool(2);
+        mThreadPool = Executors.newFixedThreadPool(3);
     }
 
     public boolean isRunning()