Add user feedback to setup action labels and icons

java/res/drawable-hdpi/unbundled_check_01.png

java/res/drawable-hdpi/unbundled_check_02.png

java/res/drawable-hdpi/unbundled_earth_01.png

java/res/drawable-hdpi/unbundled_earth_02.png

java/res/drawable-hdpi/unbundled_key_01.png

java/res/drawable-hdpi/unbundled_key_02.png

java/res/drawable-hdpi/unbundled_select_01.png

java/res/drawable-hdpi/unbundled_select_02.png

java/res/drawable/ic_setup_step1.xml

java/res/drawable/ic_setup_step2.xml

java/res/drawable/ic_setup_step3.xml

java/res/drawable/ic_setup_step3_finish.xml

java/res/drawable/setup_step_action_background.xml

java/res/drawable/setup_step_action_color.xml

java/res/layout/setup_step.xml

java/res/values/setup-styles.xml

...rc/com/android/inputmethod/latin/setup/SetupActivity.java