Add rules to dump health traces

Test: bugreport
Bug: 119809588
Change-Id: Ia688d68120daebc0a4feb51c4745535e1b371594
diff --git a/private/system_server.te b/private/system_server.te
index edb6c7b..4ec6802 100644
--- a/private/system_server.te
+++ b/private/system_server.te
@@ -274,6 +274,7 @@
   hal_camera_server
   hal_graphics_allocator_server
   hal_graphics_composer_server
+  hal_health_server
   hal_omx_server
   hal_sensors_server
   hal_vr_server