[HGNN-6040] android pdf gvie 간혈적으로 안나오는 문제수정

Author: shlee-zigbang

src/android/InAppBrowser.java

@@ -1538,6 +1538,10 @@ public void onPageStarted(WebView view, String url, Bitmap favicon) {
         public void onPageFinished(WebView view, String url) {
             super.onPageFinished(view, url);
 
+            if (view.getTitle().equals("")) {
+                view.reload();
+            }
+
             // Set the namespace for postMessage()
             injectDeferredObject("window.webkit={messageHandlers:{cordova_iab:cordova_iab}}", null);