[Android] Update OWNERS information (accessibility)

https://docs.google.com/document/d/1_hupTnjnQoEnguC1PXv-WJcS9ViVeNJsuWSNWWYYB2c

Submitted a request to create a new component in crbug (UI>Browser>Accessibility):
https://bugs.chromium.org/p/chromium/issues/detail?id=1112889

Bug: 1112872
Change-Id: I7fb752e14576613bbab1c84754ec4b54444cec3e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2337256
Auto-Submit: Fred Mello <fredmello@chromium.org>
Reviewed-by: Theresa  <twellington@chromium.org>
Reviewed-by: Dominic Mazzoni <dmazzoni@chromium.org>
Commit-Queue: Dominic Mazzoni <dmazzoni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#794731}

chrome/android/java/src/org/chromium/chrome/browser/accessibility/settings/OWNERS → chrome/android/java/src/org/chromium/chrome/browser/accessibility/OWNERS

 chouinard@chromium.org
 twellington@chromium.org
 
-# COMPONENT: UI>Browser>Mobile>Settings
+# COMPONENT: UI>Browser>Accessibility
+# OS: Android
+# TEAM: chrome-android-app@chromium.org

chrome/android/javatests/src/org/chromium/chrome/browser/accessibility/OWNERS

+file://chrome/android/java/src/org/chromium/chrome/browser/accessibility/OWNERS

chrome/browser/android/accessibility/OWNERS

+file://chrome/android/java/src/org/chromium/chrome/browser/accessibility/OWNERS

content/public/android/java/src/org/chromium/content/browser/accessibility/OWNERS

 file://ui/accessibility/OWNERS
 
-# TEAM: chromium-accessibility@chromium.org
-# COMPONENT: UI>Accessibility
+# COMPONENT: UI>Accessibility>Compatibility
 # OS: Android
+# TEAM: chromium-accessibility@chromium.org