Add _gb to Gingerbread resources

java/res/drawable-hdpi/keyboard_background.9.png

java/res/drawable-hdpi/keyboard_background_gb.9.png

java/res/drawable-hdpi/keyboard_background_ics.9.png

...es/drawable-hdpi/keyboard_popup_panel_background_gb.9.png

java/res/drawable-hdpi/keyboard_suggest_strip_gb.9.png

java/res/drawable-hdpi/sym_keyboard_space_led_gb.9.png

java/res/drawable-mdpi/keyboard_background.9.png

java/res/drawable-mdpi/keyboard_background_gb.9.png

java/res/drawable-mdpi/keyboard_background_ics.9.png

...es/drawable-mdpi/keyboard_popup_panel_background_gb.9.png

java/res/drawable-mdpi/keyboard_suggest_strip_gb.9.png

java/res/drawable-mdpi/sym_keyboard_space_led_gb.9.png

java/res/drawable-xhdpi/keyboard_background.9.png

java/res/drawable-xhdpi/keyboard_background_gb.9.png

java/res/drawable-xhdpi/keyboard_background_ics.9.png

...s/drawable-xhdpi/keyboard_popup_panel_background_gb.9.png

java/res/drawable-xhdpi/keyboard_suggest_strip_gb.9.png

java/res/drawable-xhdpi/sym_keyboard_space_led_gb.9.png

java/res/drawable-xxhdpi/keyboard_background_ics.9.png

java/res/layout/hint_add_to_dictionary.xml