Fixing type conversion warning

Author: lostintangent

android/app/src/main/java/com/microsoft/codepush/react/CodePush.java

@@ -519,7 +519,7 @@ protected Void doInBackground(Object... params) {
                                     public void onHostResume() {
                                         // Determine how long the app was in the background and ensure
                                         // that it meets the minimum duration amount of time.
-                                        int durationInBackground = (new Date() - lastPausedDate) / 1000;
+                                        long durationInBackground = (new Date().getTime() - lastPausedDate.getTime()) / 1000;
                                         if (durationInBackground >= CodePushNativeModule.this.minimumBackgroundDuration) {
                                             loadBundle();
                                         }