[NavigationView] Set navigation menu item's a11y role description so it doesn't default to 'radio button' due to being checkable

PiperOrigin-RevId: 830619106

Author: imhappi

lib/java/com/google/android/material/internal/NavigationMenuItemView.java

@@ -84,6 +84,8 @@ public void onInitializeAccessibilityNodeInfo(
             View host, @NonNull AccessibilityNodeInfoCompat info) {
           super.onInitializeAccessibilityNodeInfo(host, info);
           info.setCheckable(checkable);
+          info.setRoleDescription(
+              getResources().getString(R.string.item_view_role_description));
         }
       };