Allow service managers access to apex data.

VintfObject will monitor for /apex directory for VINTF data.
Add permissions for service managers to read this data.

Bug: 239055387
Test: m && boot
Change-Id: I179e008dadfcb323cde58a8a460bcfa2825a7b4f
diff --git a/private/servicemanager.te b/private/servicemanager.te
index 95a9496..5a69a43 100644
--- a/private/servicemanager.te
+++ b/private/servicemanager.te
@@ -9,3 +9,6 @@
 
 # servicemanager is using bootstrap bionic
 use_bootstrap_libs(servicemanager)
+
+# servicemanager is using apex_info via libvintf
+use_apex_info(servicemanager)