Merge "m3: wear material3 button style can only override DeviceDefault theme" into main

        // 1. app target sdk is 36 or above.

        // 2. feature flag rolled-out.

        // 3. device is a watch.

        // 4. button uses Theme.DeviceDefault.

        // getButtonDefaultStyleAttr and getButtonDefaultStyleRes works together to alter the UI

        // while considering the conditions above.

        // Their results are mutual exclusive. i.e. when conditions above are all true,

    private static boolean useWearMaterial3Style(Context context) {

        return Flags.useWearMaterial3Ui() && CompatChanges.isChangeEnabled(WEAR_MATERIAL3_BUTTON)

                && context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_WATCH);

                && context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_WATCH)

                && context.getThemeResId() == com.android.internal.R.style.Theme_DeviceDefault;

    }

}