sepolicy: new file_integrity_service

Test: didn't see denials in dmesg during boot or API calls.
Bug: 142573505
Change-Id: Ifa271956bc51bf47d781cd9c9f95afb99c5f940f
diff --git a/private/service_contexts b/private/service_contexts
index a3680d3..849717a 100644
--- a/private/service_contexts
+++ b/private/service_contexts
@@ -76,6 +76,7 @@
 lowpan                                    u:object_r:lowpan_service:s0
 ethernet                                  u:object_r:ethernet_service:s0
 face                                      u:object_r:face_service:s0
+file_integrity                            u:object_r:file_integrity_service:s0
 fingerprint                               u:object_r:fingerprint_service:s0
 font                                      u:object_r:font_service:s0
 android.hardware.fingerprint.IFingerprintDaemon u:object_r:fingerprintd_service:s0