Adding supported checks & test for SpeechRecognition APIs.

tests/html/html.status

Index: tests/html/html.status
diff --git a/tests/html/html.status b/tests/html/html.status
index 150e3b4ddd235d513e8b0cfeb5c2b4a26f2db982..4b3de7bf539bc9ac621abefbec47a994cc6cf667 100644
--- a/tests/html/html.status
+++ b/tests/html/html.status
@@ -72,6 +72,7 @@ native_gc_test: Fail, Pass # BUG(7774): Untriaged.
 notifications_test/supported: Fail
 serialized_script_value_test: Fail
 shadow_dom_test/supported: Fail
+speechrecognition_test/supported: Fail
 storage_test: Fail, Pass
 svgelement_test/additionalConstructors: Fail
 svgelement2_test: Fail
@@ -133,6 +134,7 @@ notifications_test/supported: Fail
 postmessage_structured_test: Skip   # BUG(5685): times out.
 serialized_script_value_test: Fail
 shadow_dom_test/supported: Fail
+speechrecognition_test/supported: Fail
 svg_3_test: Fail
 svgelement_test/additionalConstructors: Fail
 svgelement2_test: Fail
@@ -165,6 +167,7 @@ fileapi_test/supported: Fail
 media_stream_test/supported: Fail
 node_test: Skip # Issue 6457
 shadow_dom_test/supported: Fail
+speechrecognition_test/supported: Fail
 
 [ $runtime == opera ]
 document_test/supports_cssCanvasContext: Fail
@@ -194,6 +197,7 @@ mutationobserver_test/supported: Fail
 notifications_test/supported: Fail
 performance_api_test/supported: Fail
 serialized_script_value_test: Fail
+speechrecognition_test/supported: Fail
 svg_3_test: Fail
 svgelement_test/additionalConstructors: Fail
 svgelement2_test: Fail
@@ -231,6 +235,7 @@ input_element_test/supported_number: Fail
 input_element_test/supported_range: Fail
 notifications_test/supported: Fail
 shadow_dom_test/supported: Fail
+speechrecognition_test/supported: Fail
 # Interfaces not implemented: SVGTests, SVGLangSpace, SVGExternalResourcesRequired, SVGStylable
 svg_3_test: Fail
 svgelement_test/additionalConstructors: Fail