Correct labels on files / props in vendor_dlkm.

All files under vendor_dlkm are tagged vendor_file.
All build props for vendor_dlkm are mapped as build_vendor_prop.

Test: build and
    `ls /vendor_dlkm -lZ`
    `adb shell getprop -Z | grep vendor_dlkm`

Bug: 154633114

Change-Id: Ie9dc26d948357767fec09aca645606310ad3425c
2 files changed