[A11y] Require a minimum role which has specific global attributes

As a new concept called minimum role was added to the HTML-AAM spec[1],
and the contents corresponding to global attributes in that spec have
been implemented.

[1]: w3c/html-aam#454

AX-Relnotes: n/a.
Fixed: 1474047
Change-Id: I586506e8ddd1e81ad11e92ef9e167586cb41545e