update AriaAttributes tests to reflect the latest spec

[asurkov]

https://github.com/web-platform-tests/wpt/blob/master/dom/nodes/aria-attribute-reflection.tentative.html misses ariaColIndexText/ariaRowIndexText, added in w3c/aria#994

cc'ing @joanmarie

[asurkov]

ariaInvalid (https://rawgit.com/w3c/aria/master/#AriaAttributes) is also missing