Support disableAdditionalMoreKeys and disableKeyLabelHint

java/res/values/attrs.xml

java/res/xml-sw600dp/rowkeys_azerty1.xml

java/res/xml-sw600dp/rowkeys_bulgarian1.xml

java/res/xml-sw600dp/rowkeys_east_slavic1.xml

java/res/xml-sw600dp/rowkeys_georgian1.xml

java/res/xml-sw600dp/rowkeys_greek1.xml

java/res/xml-sw600dp/rowkeys_qwerty1.xml

java/res/xml-sw600dp/rowkeys_qwertz1.xml

java/res/xml-sw600dp/rowkeys_south_slavic1.xml

java/res/xml-sw600dp/rows_azerty.xml

java/res/xml-sw600dp/rows_bulgarian.xml

java/res/xml-sw600dp/rows_east_slavic.xml

java/res/xml-sw600dp/rows_georgian.xml

java/res/xml-sw600dp/rows_greek.xml

java/res/xml-sw600dp/rows_nordic.xml

java/res/xml-sw600dp/rows_qwerty.xml

java/res/xml-sw600dp/rows_qwertz.xml

java/res/xml-sw600dp/rows_south_slavic.xml

java/res/xml-sw600dp/rows_spanish.xml

java/res/xml-sw768dp/rows_azerty.xml