Merge pull request #206 from spoonconsulting/cdv-thread-pool

Revert to using getThreadPool

Author: zfir

src/android/FileTransferBackground.java

@@ -121,11 +121,11 @@ private void sendError(final String id, final String reason, boolean userCancele
 
     @Override
     public boolean execute(String action, JSONArray args, final CallbackContext callbackContext) {
-        if(executorService == null) {
+        if (executorService == null) {
             executorService = Executors.newScheduledThreadPool(4);
         }
 
-        executorService.schedule(() -> {
+        cordova.getThreadPool().execute(() -> {
             try {
                 switch (action) {
                     case "initManager":
@@ -151,7 +151,7 @@ public boolean execute(String action, JSONArray args, final CallbackContext call
                 callbackContext.sendPluginResult(result);
                 exception.printStackTrace();
             }
-        } , 0, TimeUnit.MILLISECONDS);
+        });
 
         return true;
     }