The first key and the last of the row are automatically marked as left
and right edge key respectively. The existence of Spacer will prevent
those automatic marking.
Bug: 5038844
Change-Id: Ie34169ceaf76e24923b8d8125eda6ecb95cf1fee
Unfortunately current Master seems have bugs in resource
selection. The xml-en/kbd_qwerty.xml is added to avoide those issue as
work around, and must be removed if the issue is fixed.
Bug: 4442045
Change-Id: Ic43d66e8669fb63e2c3f0b8b9aae9178ca3c32b5
