Fix "Show settings key" option on 7" device (DO NOT MERGE)

java/res/values/attrs.xml

java/res/xml-sw600dp/kbd_key_styles.xml

java/res/xml-sw600dp/kbd_number.xml

java/res/xml-sw600dp/kbd_phone.xml

java/res/xml-sw600dp/kbd_phone_symbols.xml

java/res/xml-sw600dp/kbd_qwerty_f2.xml

java/res/xml-sw600dp/kbd_qwerty_row4.xml

java/res/xml-sw600dp/kbd_symbols.xml

java/res/xml-sw600dp/kbd_symbols_shift.xml

java/res/xml/kbd_key_styles.xml

java/src/com/android/inputmethod/keyboard/KeyboardId.java

.../src/com/android/inputmethod/keyboard/KeyboardParser.java

...rc/com/android/inputmethod/keyboard/KeyboardSwitcher.java

...s/src/com/android/inputmethod/latin/SuggestTestsBase.java