Unbundle Keyboard.java to BaseKeyboard.java

java/res/xml-xlarge/kbd_symbols_shift.xml

java/res/xml/kbd_phone.xml

java/res/xml/kbd_phone_black.xml

java/res/xml/kbd_phone_symbols.xml

java/res/xml/kbd_phone_symbols_black.xml

java/res/xml/kbd_popup_template.xml

java/res/xml/kbd_qwerty.xml

java/res/xml/kbd_qwerty_black.xml

java/res/xml/kbd_symbols.xml

java/res/xml/kbd_symbols_black.xml

java/res/xml/kbd_symbols_shift.xml

java/res/xml/kbd_symbols_shift_black.xml

java/res/xml/popup_comma.xml

java/res/xml/popup_domains.xml

java/res/xml/popup_mic.xml

java/res/xml/popup_punctuation.xml

java/res/xml/popup_smileys.xml

java/src/com/android/inputmethod/latin/BaseKeyboard.java

java/src/com/android/inputmethod/latin/KeyDetector.java

java/src/com/android/inputmethod/latin/LatinIME.java