Cts tests for webview file origin policy changes

Bug: 6212665

Add cts test cases for testing file origin policy. Also fix a cts
test that can possibly cause the test to freeze due to use of an
indefinite timeout.

Change-Id: I62ed3e05c1aa6dbe15d8289f1d1201032f6098ec
diff --git a/tests/assets/webkit/test_iframeaccess.html b/tests/assets/webkit/test_iframeaccess.html
new file mode 100644
index 0000000..1b5fc5a
--- /dev/null
+++ b/tests/assets/webkit/test_iframeaccess.html
@@ -0,0 +1,28 @@
+<!-- Copyright (C) 2009 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<html>
+    <head>
+        <title>DEFAULT TITLE</title>
+        <script type="text/javascript">
+          function load() {
+            document.title = document.getElementById('frame').contentWindow.location.href;
+          }
+         </script>
+    </head>
+    <body onload="load()">
+      <iframe id="frame" src="./test_hello_world.html"></iframe>
+    </body>
+</html>