Attach vendor_property_type to properties

We are going to enforce that each property has an explicit owner, such
as system, vendor, or product. This attaches vendor_property_type to
properties defined under vendor sepolicy directories.

Issue: FP3-A12#6
Bug: 159097992
Test: m selinux_policy && boot device
Change-Id: Ie572fd9533f892627ced47e794f4e42361192eab
(cherry picked from commit 35395ec7a639bacec02aaf561fdd6242435c6697)
2 files changed