Revert "Revert "Revert "Add the 'bdev_type' attribute to all block devic..."" am: e46e4134e5 am: 2719edbdc0

Original change: https://android-review.googlesource.com/c/device/mediatek/wembley-sepolicy/+/1861988

Change-Id: I2b646276bc1cf757e90ebbdc1cf0f8bffb983cd5