Add vendor_socket_hook_prop to whitelist am: 75a3c47825 am: e1d88d174e

Original change: https://googleplex-android-review.googlesource.com/c/platform/test/vts-testcase/security/+/11631161

Change-Id: I9a907a67ad1c2fd91ae02f30e48eb0a3ac2236c8