Add attribute for all vendor hwservice. am: 44c7a7029e

Original change: https://android-review.googlesource.com/c/platform/system/sepolicy/+/1439392

Change-Id: I281ab6d5bd8b645282b45821e7a4be7355ff80c7
diff --git a/public/attributes b/public/attributes
index 3582a09..45900a9 100644
--- a/public/attributes
+++ b/public/attributes
@@ -204,6 +204,9 @@
 # All core domains (as opposed to vendor/device-specific domains)
 attribute coredomain;
 
+# All vendor hwservice.
+attribute vendor_hwservice_type;
+
 # All socket devices owned by core domain components
 attribute coredomain_socket;
 expandattribute coredomain_socket false;