Provides an alternate presentation of the extract edit area
of an input method window, designed for sub 250dp width screens.
An icon is used on a round material style button in place of a text
action, providing more horizontal space for the editing area.
BUG: 22512982
Change-Id: I16226ce393f2d15065d08e66a36d008eb1a0c8a1
(cherry picked from commit fd71a6a5d99bad5d3ab32edc328fb5b026b66215)
880602eb64