This change excludes drawable-xdpi/* and
drawable-mdpi/sym_keyboard_smiley_holo.png from designer's repo.
Change-Id: Ic8a06903ba75aa2de2d81ac159f4e37962b4da52
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
