Fix html.status for old safari browser version.

tests/html/html.status

 # Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 window_open_test: Skip # http://dartbug.com/5151
 async_window_test: Skip #TODO(gram): investigating
 
 event_test: Skip  # Issue 1996
 custom_elements_test: Skip # Not yet implemented.
 interactive_test: Skip # Must be run manually.
@@ skipping 176 matching lines @@
 typed_arrays_1_test/supported: Fail
 webgl_1_test/supported: Fail
 websocket_test/supported: Fail
 websql_test/supported: Fail
 xhr_test/supported_HttpRequestProgressEvent: Fail
 xhr_test/supported_onLoadEnd: Fail
 xhr_test/supported_onProgress: Fail
 xsltprocessor_test/supported: Fail
 
 [ $runtime == safari ]
-audiocontext_test: Crash, Fail # Issue: 7414
 datalistelement_test: Fail # Issue: 7414
 element_test/elements: Crash, Fail # Issue: 7414
 element_types_test/supported_track: Pass, Fail
 input_element_test/supported_month: Fail, Crash
 input_element_test/supported_time: Fail, Crash
 input_element_test/supported_week: Fail, Crash
 webgl_1_test: Pass, Fail # Issue 8219
 wheelevent_test: Fail # Issue: 7414
 xhr_test/xhr_requestBlob: Fail # Issue: 9178 Safari doesn't support Blob responses.
 
@@ skipping 11 matching lines @@
 media_stream_test/supported_MediaStreamTrackEvent: Fail
 media_stream_test/supported_media: Fail
 notifications_test/supported: Fail
 performance_api_test/supported: Fail
 rtc_test/supported: Fail
 shadow_dom_test/supported: Fail
 speechrecognition_test/supported: Fail
 touchevent_test/supported: Fail
 
 [ $runtime == opera ]
-audiobuffersourcenode_test: Fail
-audiocontext_test: Fail
 blob_constructor_test: Fail
 canvas_test: Fail
 canvas_test: Pass,Fail
 canvas_using_html_test: Fail
 cssstyledeclaration_test: Fail
 document_test/document: Fail # Issue: 7413
 element_add_test: Fail
 element_constructor_1_test: Fail
 element_test/children: Fail # Issue: 7413
 element_test/constructors: Fail
 element_test/elements: Fail
 element_test/eventListening: Crash
 element_test/eventListening: Fail # Issue: 7413
 element_test/queryAll: Fail
 element_webkit_test: Fail
 fileapi_test: Skip # Timeout.
 form_data_test: Fail # Issue: 7413
 htmlelement_test: Fail
 isolates_test: Skip # Timeout.
 js_interop_3_test: Skip # Timeout.
 js_interop_4_test: Skip # Timeout.
 keyboard_event_test: Fail # Issue: 7413
 serialized_script_value_test: Fail
 typed_arrays_arraybuffer_test: Fail
 url_test: Fail
 
 # Opera Feature support statuses-
 # All changes should be accompanied by platform support annotation changes.
+audiobuffersourcenode_test/supported: Fail
+audiocontext_test/supported: Fail
 crypto_test/supported: Fail
 css_test/supported_CssMatrix: Fail
 css_test/supported_DomPoint: Fail
 document_test/supports_cssCanvasContext: Fail
 indexeddb_1_test/supported: Fail
 indexeddb_1_test/supportsDatabaseNames: Fail
 mutationobserver_test/supported: Fail
 notifications_test/supported: Fail
 performance_api_test/supported: Fail
 speechrecognition_test/supported: Fail
@@ skipping 63 matching lines @@
 
 [ $compiler == dart2js && $runtime == drt && $unchecked ]
 #indexeddb_5_test/functional: Fail, Pass # http://dartbug.com/8851
 
 [ $compiler == dart2js && $csp && ($runtime == drt || $runtime == safari || $runtime == ff || $runtime == chrome) ]
 js_interop_1_test: Skip            # Test cannot run under CSP restrictions (times out).
 js_interop_2_test: Fail, OK        # Test cannot run under CSP restrictions.
 js_interop_3_test: Skip            # Test cannot run under CSP restrictions (times out).
 postmessage_structured_test: Skip  # Test cannot run under CSP restrictions (times out).
 shadow_dom_layout_test: Fail, OK   # Test cannot run under CSP restrictions.