This change uses keyLable to show simple smiley on the key top and
removes sym_keyboard_smiley_holo drawable.
Bug: 3350296
Change-Id: I7d28db8a6f74936f932f250a70991a1bd1ff4ddd
This change introduces shiftedIcon attribute for Key which specifies
icon to draw the shift key while the key is in shifted state.
This change also intriduces new configurable dimension value
key_label_horizontal_alignment_padding which represents horizontal
padding for left or right alignment of key label.
Bug: 3216592
Bug: 3201839
Change-Id: I3aa7392227ce573c404517678e6340a8d1fcb328