Tune up 7 inch keyboard layout

java/res/values-sw600dp-land/dimens.xml

java/res/values-sw600dp/dimens.xml

java/res/values-sw768dp-land/dimens.xml

java/res/values-sw768dp/dimens.xml

java/res/values/styles.xml

java/res/xml-ar/kbd_qwerty.xml

java/res/xml-cs/kbd_qwerty.xml

java/res/xml-da/kbd_qwerty.xml

java/res/xml-de/kbd_qwerty.xml

java/res/xml-en/kbd_qwerty.xml

java/res/xml-es/kbd_qwerty.xml

java/res/xml-fi/kbd_qwerty.xml

java/res/xml-fr-rCA/kbd_qwerty.xml

java/res/xml-fr-rCH/kbd_qwerty.xml

java/res/xml-fr/kbd_qwerty.xml

java/res/xml-hu/kbd_qwerty.xml

java/res/xml-iw/kbd_qwerty.xml

java/res/xml-nb/kbd_qwerty.xml

java/res/xml-pl/kbd_qwerty.xml

java/res/xml-pt/kbd_qwerty.xml