Replace the notion of "voice" with "shortcut" as many as possible

java/res/values/attrs.xml

java/res/xml-sw600dp/kbd_qwerty_f2.xml

java/res/xml-sw768dp/kbd_number.xml

java/res/xml-sw768dp/kbd_phone.xml

java/res/xml-sw768dp/kbd_phone_shift.xml

java/res/xml-sw768dp/kbd_qwerty_row4.xml

java/res/xml-sw768dp/kbd_rows_symbols.xml

java/res/xml-sw768dp/kbd_rows_symbols_shift.xml

java/res/xml/kbd_key_styles.xml

java/res/xml/kbd_qwerty_f1.xml

java/res/xml/kbd_symbols_f1.xml

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

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

...android/inputmethod/keyboard/internal/KeyboardParser.java