GpuService binder call StatsManagerService

This binder call is needed because we want to migrate
libstatspull to use StatsManagerService instead of Statsd

The binder call to statsd can be removed after the migration.

Test: m -j
Bug: 148641240
Change-Id: Id1387a2cbe74ba8d84f4973c6e4d17c5e0b88009
diff --git a/private/gpuservice.te b/private/gpuservice.te
index b8a365a..a4d84ea 100644
--- a/private/gpuservice.te
+++ b/private/gpuservice.te
@@ -6,6 +6,7 @@
 
 binder_call(gpuservice, adbd)
 binder_call(gpuservice, shell)
+binder_call(gpuservice, system_server)
 binder_use(gpuservice)
 
 # Access the GPU.
@@ -37,6 +38,8 @@
 
 # Needed for stats callback registration to statsd.
 allow gpuservice stats_service:service_manager find;
+allow gpuservice statsmanager_service:service_manager find;
+# TODO(b/146461633): remove this once native pullers talk to StatsManagerService
 binder_call(gpuservice, statsd);
 
 add_service(gpuservice, gpu_service)