fix #2437: clear uploading posts state if the PostUploadService is not running during PostList creation

Author: maxme

WordPressUtils/src/main/java/org/wordpress/android/util/ServiceUtils.java

@@ -0,0 +1,16 @@
+package org.wordpress.android.util;
+
+import android.app.ActivityManager;
+import android.content.Context;
+
+public class ServiceUtils {
+    public static boolean isServiceRunning(Context context, Class<?> serviceClass) {
+        ActivityManager manager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
+        for (ActivityManager.RunningServiceInfo service : manager.getRunningServices(Integer.MAX_VALUE)) {
+            if (serviceClass.getName().equals(service.service.getClassName())) {
+                return true;
+            }
+        }
+        return false;
+    }
+}