* Remove keyXPos and keyWidth from key_*.xml and make it more generic.
* Add keyXPos and keyWidth to <include/> generalized key_*.xml.
* Remove zero width <Spacer/> and fold into successive <include/>.
Change-Id: I4b5c02a165ba0bc9ef8741be0b4938c1efaf5e27
* Remove duplicated xml-sw768dp/keys_apostrophe_dash.xml
* Separate keys_apostrophe_dash.xml to key_apostorhe.xml and
key_dash.ml
* Separate key_space.xml from row_qwerty4.xml
* Separate key_f1.xml from xml{,-sw600dp}/row_qwerty4.xml
* Separate keys_f1f2.xml from xml-sw768dp/row_qwerty4.xml
* Fix incorrectly named rows_symbols{,_shift}4.xml to
row_symbols{,_shift}4.xml
Change-Id: Id71967a016a348174d1fc265b654dbc233c6562e
Tadashi G. Takaoka