Start the timer before the packet has been sent

Fixes the loopback provider starting the timer after the paring is
already done, causing it to unpair after 30 seconds.

src/org/kde/kdeconnect/UserInterface/PairingHandler.java

@@ -120,9 +120,6 @@ public class PairingHandler {
 
         mPairState = PairState.Requested;
 
-        Device.SendPacketStatusCallback statusCallback = new Device.SendPacketStatusCallback() {
-            @Override
-            public void onSuccess() {
         mPairingTimer = new Timer();
         mPairingTimer.schedule(new TimerTask() {
             @Override
@@ -132,7 +129,10 @@ public class PairingHandler {
                 mCallback.pairingFailed(mDevice.getContext().getString(R.string.error_timed_out));
             }
         }, 30*1000); //Time to wait for the other to accept
-            }
+
+        Device.SendPacketStatusCallback statusCallback = new Device.SendPacketStatusCallback() {
+            @Override
+            public void onSuccess() { }
 
             @Override
             public void onFailure(Throwable e) {