Wifi: Add sepolicy files for hal_wifi_ext service

This commit adds the sepolicy related files for hal_wifi_ext service.

avc msg:
avc: denied { set } for property=vendor.wlan.firmware.version pid=682 uid=1010 gid=1010 scontext=u:r:hal_wifi_ext:s0 tcontext=u:object_r:vendor_default_prop:s0 tclass=property_service permissive=1'
avc: denied { call } for scontext=u:r:hal_wifi_ext:s0 tcontext=u:r:grilservice_app:s0:c143,c258,c512,c768 tclass=binder permissive=1

Bug: 205073038
Test: Check no avc_deny on hal_wifi_ext
Change-Id: I5d9b59c56b723174543c0308dd6b0235e998e76c
Signed-off-by: Roger Wang <wangroger@google.com>
2 files changed