stone: added sepolicy for powerhal

Signed-off-by: Arijit78 <sahaarijit2007@gmail.com>

sepolicy/vendor/hal_power_default.te

@@ -0,0 +1,7 @@
+# To do powerhint on nodes defined in powerhint.json
+allow hal_power_default cgroup:dir search;
+allow hal_power_default cgroup:file rw_file_perms;
+allow hal_power_default sysfs_devices_system_cpu:file rw_file_perms;
+
+# To get/set powerhal state property
+set_prop(hal_power_default, vendor_power_prop)

sepolicy/vendor/property.te

@@ -18,3 +18,6 @@ vendor_internal_prop(vendor_nfc_prop)
 
 # Serial number
 vendor_internal_prop(vendor_sno_prop);
+
+# Power HAL
+vendor_public_prop(vendor_power_prop);

sepolicy/vendor/property_contexts

@@ -34,6 +34,9 @@ persist.vendor.sys.provision.status     u:object_r:vendor_tee_listener_prop:s0
 # NFC
 ro.vendor.nfc.repair                    u:object_r:vendor_nfc_prop:s0
 
+# Power HAL
+vendor.powerhal.                   u:object_r:vendor_power_prop:s0
+
 # RIL
 odm.ril.radio.status.                   u:object_r:vendor_radio_prop:s0
 odm.ril.radio.status.sim1               u:object_r:vendor_radio_prop:s0

sepolicy/vendor/vendor_init.te

@@ -2,3 +2,6 @@ allow vendor_init proc_dirty:file rw_file_perms;
 allow vendor_init block_device:lnk_file setattr;
 
 set_prop(vendor_init, vendor_camera_prop)
+
+# To set powerhal init property
+set_prop(vendor_init, vendor_power_prop)