Restore deleted strings still referenced from public.xml.

    <!-- Description of the button to decrement the DatePicker's year value. [CHAR LIMIT=NONE] -->

    <string name="date_picker_decrement_year_button">Decrement year</string>

    <!-- CheckBox - accessibility support -->

    <!-- Description of the checked state of a CheckBox. [CHAR LIMIT=NONE] -->

    <string name="checkbox_checked">checked</string>

    <!-- Description of the not checked state of a CheckBox. [CHAR LIMIT=NONE] -->

    <string name="checkbox_not_checked">not checked</string>

    <!-- RadioButton/CheckedTextView - accessibility support -->

    <!-- Description of the selected state of a RadioButton. [CHAR LIMIT=NONE] -->

    <string name="radiobutton_selected">selected</string>

    <!-- Description of the not selected state of a RadioButton. [CHAR LIMIT=NONE] -->

    <string name="radiobutton_not_selected">not selected</string>

    <!-- Switch - accessibility support -->

    <!-- Description of the on state of a Switch. [CHAR LIMIT=NONE] -->

    <string name="switch_on">on</string>

    <!-- Description of the off state of a Switch. [CHAR LIMIT=NONE] -->

    <string name="switch_off">off</string>

    <!-- ToggleButton - accessibility support -->

    <!-- Description of the pressed state of a ToggleButton. [CHAR LIMIT=NONE] -->

    <string name="togglebutton_pressed">pressed</string>

    <!-- Description of the not pressed state of a ToggleButton. [CHAR LIMIT=NONE] -->

    <string name="togglebutton_not_pressed">not pressed</string>

    <!-- KeyboardView - accessibility support -->

    <!-- Description of the Alt button in a KeyboardView. [CHAR LIMIT=NONE] -->

    <string name="keyboardview_keycode_alt">Alt</string>