Attribute whether the accessibility service wants to be able to request enhanced web accessibility enhancements. For example, installing scripts to make app content more accessible.

Required to allow setting the Android.AccessibilityServices flag.

Must be a boolean value, either "true" or "false".

This may also be a reference to a resource (in the form "@[package:]type:name") or theme attribute (in the form "?[package:][type:]name") containing a value of this type.

[Android Documentation]