Updated keyboard assets

...rawable-hdpi/btn_keyboard_key_popup_background_holo.9.png

.../drawable-hdpi/btn_keyboard_key_popup_selected_holo.9.png

...drawable-hdpi/keyboard_key_feedback_background_holo.9.png

...ble-hdpi/keyboard_key_feedback_left_background_holo.9.png

...dpi/keyboard_key_feedback_left_more_background_holo.9.png

...ble-hdpi/keyboard_key_feedback_more_background_holo.9.png

...le-hdpi/keyboard_key_feedback_right_background_holo.9.png

...pi/keyboard_key_feedback_right_more_background_holo.9.png

java/res/drawable-hdpi/sym_keyboard_shift_holo.png

java/res/drawable-hdpi/sym_keyboard_shift_locked_holo.png

java/res/drawable-hdpi/sym_keyboard_space_holo.png

...rawable-mdpi/btn_keyboard_key_popup_background_holo.9.png

.../drawable-mdpi/btn_keyboard_key_popup_selected_holo.9.png

...drawable-mdpi/keyboard_key_feedback_background_holo.9.png

...ble-mdpi/keyboard_key_feedback_left_background_holo.9.png

...dpi/keyboard_key_feedback_left_more_background_holo.9.png

...ble-mdpi/keyboard_key_feedback_more_background_holo.9.png

...le-mdpi/keyboard_key_feedback_right_background_holo.9.png

...pi/keyboard_key_feedback_right_more_background_holo.9.png

java/res/drawable-mdpi/sym_keyboard_shift_holo.png