common: Grant adbroot access to package manager

Change-Id: Ic4df599559ddfe18d38213bb9f8e28f1afb5921b
diff --git a/common/private/adbroot.te b/common/private/adbroot.te
index de201a6..828ce90 100644
--- a/common/private/adbroot.te
+++ b/common/private/adbroot.te
@@ -7,6 +7,9 @@
 binder_service(adbroot)
 add_service(adbroot, adbroot_service)
 
+allow adbroot package_native_service:service_manager find;
+binder_call(adbroot, system_server)
+
 allow adbroot adbroot_data_file:dir rw_dir_perms;
 allow adbroot adbroot_data_file:file create_file_perms;