Update sepolicy to add label for /data/misc/perfprofd.

Bug: 19483574
(cherry picked from commit 7d66f783c2ddea4dd5f9fcd91b2589ab74e30f8a)

Change-Id: If617e29b6fd36c88c157941bc9e11cf41329da48
diff --git a/file_contexts b/file_contexts
index 48fbb5a..9575fb0 100644
--- a/file_contexts
+++ b/file_contexts
@@ -248,6 +248,7 @@
 /data/misc/wifi/hostapd(/.*)?   u:object_r:wpa_socket:s0
 /data/misc/zoneinfo(/.*)?       u:object_r:zoneinfo_data_file:s0
 /data/misc/vold(/.*)?           u:object_r:vold_data_file:s0
+/data/misc/perfprofd(/.*)?      u:object_r:perfprofd_data_file:s0
 /data/system/heapdump(/.*)?     u:object_r:heapdump_data_file:s0
 
 # Bootchart data