Unhide Pattern.UNICODE_CHARACTER_CLASS.
(cherry picked from commit c55d9e767a)
Change-Id: I5c53d8db13948c5d143c05694f49872456c260eb
Unhide Pattern.UNICODE_CHARACTER_CLASS.
(cherry picked from commit c55d9e767a)
Change-Id: I5c53d8db13948c5d143c05694f49872456c260eb