Move KeyboardView in the framework to LatinKeyboardViewBase

.../res/drawable-hdpi/keyboard_key_feedback_background.9.png

...drawable-hdpi/keyboard_key_feedback_more_background.9.png

.../res/drawable-mdpi/keyboard_key_feedback_background.9.png

...drawable-mdpi/keyboard_key_feedback_more_background.9.png

java/res/drawable/keyboard_key_feedback.xml

java/res/layout/input.xml

java/res/layout/input2.xml

java/res/layout/input3.xml

java/res/layout/input4.xml

java/res/layout/input5.xml

java/res/layout/input6.xml

java/res/layout/input7.xml

java/res/layout/input7_popup.xml

java/res/layout/input_trans.xml

java/res/layout/keyboard_key_preview.xml

java/res/layout/keyboard_popup_keyboard.xml

java/res/values/attrs.xml

java/res/values/bools.xml

java/res/values/styles.xml

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