Add some OWNERS for chrome/test/views/

Bug: none
Change-Id: Ieb7be7b5f7f257d1bc9631153d5cf8f0b5d8f482
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2079939
Auto-Submit: Peter Kasting <pkasting@chromium.org>
Commit-Queue: Scott Violet <sky@chromium.org>
Reviewed-by: Scott Violet <sky@chromium.org>
Cr-Commit-Position: refs/heads/master@{#745466}

chrome/test/views/OWNERS

+file://ui/views/OWNERS
+
+per-file accessibility*=file://ui/views/accessibility/OWNERS
+
 # COMPONENT: UI>Accessibility