public static void applyTheme(@NonNull Drawable drawable, @NonNull Resources.Theme theme) {
        if (Build.VERSION.SDK_INT >= 21) {
            drawable.applyTheme(theme);
        }
    }
Applies the specified theme to this Drawable and its children.
android/android_framework/base/src/main/java/github/tornaco/android/thanos/core/compat/DrawableCompat.java