Change hard-coded URL for accessibility script.

The old version of the script is broken and is cached due to an error in
our gstatic configuration. We had to change the name to avoid hitting the
cached version on external proxies.

Bug: 6702042
Change-Id: I0e5ee8b3a6ae8c7ba11f5760f2f99d4b5614ac97

Author: alanv

packages/SettingsProvider/res/values/defaults.xml

@@ -120,7 +120,7 @@
 
     <!-- Default for Settings.Secure.ACCESSIBILITY_SCRIPT_INJECTION_URL -->
     <string name="def_accessibility_screen_reader_url" translatable="false">
-        https://ssl.gstatic.com/accessibility/javascript/android/AndroidScriptChooser.user.js
+        https://ssl.gstatic.com/accessibility/javascript/android/AndroidVox_v1.js
     </string>
 
     <!-- Default for Settings.Secure.TOUCH_EXPLORATION_ENABLED -->