Add keystore permission for metrics re-routing.

Keystore2 atoms need to be rounted to statsd via a proxy.
The proxy needs to have this permission in order to pull metrics from
keystore.

Ignore-AOSP-First: No mergepath to AOSP.
Bug: 188590587
Test: Statsd Testdrive script
Change-Id: Ic94f4bb19a08b6300cfd2d3ed09b31d5b7081bfd
Merged-In: Ic94f4bb19a08b6300cfd2d3ed09b31d5b7081bfd
(cherry picked from commit 61d07e7ce067bbfee6a84f422e6c229382a1e4a1)
diff --git a/private/access_vectors b/private/access_vectors
index 22f2ffa..5ff7aef 100644
--- a/private/access_vectors
+++ b/private/access_vectors
@@ -726,6 +726,7 @@
 	get_state
 	list
 	lock
+	pull_metrics
 	report_off_body
 	reset
 	unlock
diff --git a/private/compat/30.0/30.0.ignore.cil b/private/compat/30.0/30.0.ignore.cil
index 3eabcb0..c943973 100644
--- a/private/compat/30.0/30.0.ignore.cil
+++ b/private/compat/30.0/30.0.ignore.cil
@@ -73,6 +73,7 @@
     hw_timeout_multiplier_prop
     keystore_compat_hal_service
     keystore_maintenance_service
+    keystore_metrics_service
     keystore2_key_contexts_file
     legacy_permission_service
     legacykeystore_service
diff --git a/private/service_contexts b/private/service_contexts
index e6b88c2..f8c1607 100644
--- a/private/service_contexts
+++ b/private/service_contexts
@@ -39,6 +39,7 @@
 android.security.keystore                 u:object_r:keystore_service:s0
 android.security.legacykeystore           u:object_r:legacykeystore_service:s0
 android.security.maintenance              u:object_r:keystore_maintenance_service:s0
+android.security.metrics                  u:object_r:keystore_metrics_service:s0
 android.security.remoteprovisioning       u:object_r:remoteprovisioning_service:s0
 android.service.gatekeeper.IGateKeeperService    u:object_r:gatekeeper_service:s0
 app_binding                               u:object_r:app_binding_service:s0
diff --git a/private/system_server.te b/private/system_server.te
index d76a2a8..bea51d7 100644
--- a/private/system_server.te
+++ b/private/system_server.te
@@ -853,6 +853,7 @@
 allow system_server installd_service:service_manager find;
 allow system_server iorapd_service:service_manager find;
 allow system_server keystore_maintenance_service:service_manager find;
+allow system_server keystore_metrics_service:service_manager find;
 allow system_server keystore_service:service_manager find;
 allow system_server mediaserver_service:service_manager find;
 allow system_server mediametrics_service:service_manager find;
@@ -903,6 +904,7 @@
 	clear_uid
 	get_state
 	lock
+	pull_metrics
 	reset
 	unlock
 };