This change also removes the usage of "fillBoth" keyWidth from 7-inch
tablet layouts.
Bug: 6480505
Change-Id: I9ed58e0b49138fa9e1610c2b008798eedb19dd26
* 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
* For 10-9-7 (qwerty, qwertz), keys' width are 9.0%-9.0%-9.0%
* For 10-10-7 (azerty, hebrew, spanish), keys' width are 8.5%-8.5%-8.5%
* For 11-11-{7,8} (arabic, bulgarian, nordic), keys' width are 7.6%-7.6%-7.6%
* For {11,12}-11-9 (south_slavic, east_slavic), keys' width are 7.6%-7.6%-7.363%
Change-Id: Ife4ce0ac587bd179afcfce0cb5dffb8d82fee4f1