fix a bug

Author: liqiang1995

Source/library/src/main/java/im/delight/android/webview/AdvancedWebView.java

@@ -57,6 +57,7 @@
 import java.io.UnsupportedEncodingException;
 import java.lang.ref.WeakReference;
 import java.util.Map;
+import android.util.Log;
 
 /** Advanced WebView component for Android that works as intended out of the box */
 @SuppressWarnings("deprecation")