[HGNN-2054] android video poster 수정

Author: shlee-zigbang

src/android/InAppChromeClient.java

@@ -25,6 +25,7 @@ Licensed to the Apache Software Foundation (ASF) under one
 import org.json.JSONException;
 
 import android.annotation.TargetApi;
+import android.graphics.Bitmap;
 import android.os.Build;
 import android.os.Message;
 import android.webkit.JsPromptResult;
@@ -131,7 +132,7 @@ public boolean onJsPrompt(WebView view, String url, String message, String defau
             }
             else {
                 // Anything else with a gap: prefix should get this message
-                LOG.w(LOG_TAG, "InAppBrowser does not support Cordova API calls: " + url + " " + defaultValue); 
+                LOG.w(LOG_TAG, "InAppBrowser does not support Cordova API calls: " + url + " " + defaultValue);
                 result.cancel();
                 return true;
             }
@@ -179,4 +180,9 @@ public boolean shouldOverrideUrlLoading(WebView view, String url) {
 
         return true;
     }
+
+    @Override
+    public Bitmap getDefaultVideoPoster() {
+        return Bitmap.createBitmap(10, 10, Bitmap.Config.ARGB_8888);
+    }
 }