cm: sepolicy: Create central place for QC-specific policy

 * We have a number of policy items due to changes in our BSPs or for
   other things which interact with the QC sepolicy. Add a place
   for us to store this stuff so we don't need to copy it around to
   every device.

Change-Id: I155ca202694501d42b42e2bd703d74049d547df0
diff --git a/sepolicy/qcom/perfd.te b/sepolicy/qcom/perfd.te
new file mode 100644
index 0000000..2c9e4ff
--- /dev/null
+++ b/sepolicy/qcom/perfd.te
@@ -0,0 +1,6 @@
+allow perfd sysfs_devices_system_iosched:file rw_file_perms;
+unix_socket_connect(perfd, thermal, thermal-engine)
+
+# read mediaserver status
+allow perfd mediaserver:file { read open };
+