This change also syncs the drawables with Master.
Cherry-pick: I2573786aac5fd8d543cf12d24c951b67c7353fd7
Bug: 4436327
Change-Id: I88dc0162033a1017040205590c0c34a5111b835a
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
Justin Ho
Tadashi G. Takaoka