[MaterialCheckBox] Unchecked outline color does not match M3 specs when pressed, focused, hovered

[BloCamLimb]

Description: According to the M3 specs, the outline color should be colorOnSurfaceVariant when unchecked, and colorOnSurface when pressed, focused, or hovered. Currently MDC always uses colorOnSurfaceVariant.

This bug exists in both MaterialCheckBox and MaterialRadioButton, they will use the same coloring.

Expected behavior: Use colorOnSurface when unchecked && (pressed || focused || hovered).

Source code:
In CheckBox, MDC has only unchecked state color, and the colors in the other three states are missing.

material-components-android/lib/java/com/google/android/material/checkbox/res/color/m3_checkbox_button_tint.xml

Lines 32 to 34 in 1dc3923

	<!-- Unchecked -->
	<item android:color="@macro/m3_comp_checkbox_unselected_outline_color" android:state_checked="false"/>

In RadioButton, the other three colors are defined, but should be declared as android:state_checked="false" instead of true.

material-components-android/lib/java/com/google/android/material/radiobutton/res/color/m3_radiobutton_button_tint.xml

Lines 36 to 44 in 1dc3923

	<!-- Unchecked -->
	<item android:color="@macro/m3_comp_radio_button_unselected_pressed_icon_color"
	android:state_pressed="true" android:state_checked="true"/>
	<item android:color="@macro/m3_comp_radio_button_unselected_focus_icon_color"
	android:state_focused="true" android:state_checked="true"/>
	<item android:color="@macro/m3_comp_radio_button_unselected_hover_icon_color"
	android:state_hovered="true" android:state_checked="true"/>
	<item android:color="@macro/m3_comp_radio_button_unselected_icon_color"
	android:state_checked="false"/>

Material Library version: 1.13.0-alpha13