Revert "Revert^2 "Add the 'bdev_type' attribute to all block devices"" am: 307752944c

Original change: https://android-review.googlesource.com/c/device/linaro/dragonboard/+/1861987

Change-Id: Icf801e6605fa6dd9e471af95fd3802a3efa50c29
diff --git a/sepolicy/file.te b/sepolicy/file.te
index 919ef02..54de779 100644
--- a/sepolicy/file.te
+++ b/sepolicy/file.te
@@ -5,5 +5,5 @@
 type sysfs_udc, fs_type, sysfs_type;
 type dri_device, dev_type;
 type rmtfs_device, dev_type;
-type modem_block_device, dev_type, bdev_type;
+type modem_block_device, dev_type;
 type tqftpserv_vendor_data_file, file_type, data_file_type, mlstrustedobject;