Add next/prev navigate action more keys and remove tab key

java/res/values/attrs.xml

java/res/values/donottranslate-more-keys.xml

java/res/values/keycodes.xml

java/res/xml-sw600dp/key_styles_common.xml

java/res/xml-sw768dp/key_styles_common.xml

java/res/xml/key_f1.xml

java/res/xml/key_navigation_tab.xml

java/res/xml/key_styles_common.xml

java/res/xml/key_styles_enter.xml

java/res/xml/key_styles_enter_tablet.xml

java/res/xml/key_symbols_f1.xml

java/res/xml/row_qwerty4.xml

java/res/xml/row_symbols4.xml

java/res/xml/row_symbols_shift4.xml

java/res/xml/rows_symbols.xml

java/res/xml/rows_symbols_shift.xml

...com/android/inputmethod/compat/EditorInfoCompatUtils.java

java/src/com/android/inputmethod/keyboard/Keyboard.java

java/src/com/android/inputmethod/keyboard/KeyboardId.java

.../com/android/inputmethod/keyboard/internal/KeyStyles.java