Change the location of a configuration file

Move a configuration xml file from /system/etc to /vendor/etc.

Bug: 148424402
Test: m -j selinux_policy
Test: check violations while EVS service is running.
Change-Id: I17c74798564bb0f5684157c483b45857b39ab6bd
Signed-off-by: Changyeon Jo <changyeon@google.com>