Filter out worker tests from layout suite because merely disabling worker in webview settings no longer works.
diff --git a/tests/DumpRenderTree/src/com/android/dumprendertree/FileFilter.java b/tests/DumpRenderTree/src/com/android/dumprendertree/FileFilter.java
index ede5197..8fea967 100644
--- a/tests/DumpRenderTree/src/com/android/dumprendertree/FileFilter.java
+++ b/tests/DumpRenderTree/src/com/android/dumprendertree/FileFilter.java
@@ -79,7 +79,8 @@
         "profiler",  // profiler is not supported
         "svg",  // svg is not supported
         "platform",  // platform specific
-        "http"  // requires local http(s) server
+        "http",  // requires local http(s) server
+        "fast/workers",
     };
         
     static final String [] ignoreTestList = {