disable webkit paint pausing

Temporary measure for investigating potentially related bug:5964385

Change-Id: I6eb0ba25991bdf7eab506b51a9eae71e9ddd436b

Author: ChrisCraik

core/java/android/webkit/WebView.java

@@ -4803,7 +4803,9 @@ void setBaseLayer(int layer, Region invalRegion, boolean showVisualIndicator,
         if (layer == 0 || isPictureAfterFirstLayout) {
             mWebViewCore.resumeWebKitDraw();
         } else if (queueFull) {
-            mWebViewCore.pauseWebKitDraw();
+            // temporarily disable webkit draw throttling
+            // TODO: re-enable
+            // mWebViewCore.pauseWebKitDraw();
         }
 
         if (mHTML5VideoViewProxy != null) {