Add SELinux policies for traced readonly properties

Added a traced config property context for all traced sysprops that
are readonly. Added the ro.traced.hypervisor system property to this
context.

Test: build Android
Bug: 391958400
Change-Id: I145d882eb54268d88b0c4a107c26cc746365e22c
diff --git a/private/property_contexts b/private/property_contexts
index 0f86c75..0ed1781 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -89,6 +89,7 @@
 persist.traced.enable   u:object_r:traced_enabled_prop:s0
 traced.lazy.            u:object_r:traced_lazy_prop:s0
 traced_relay.relay_port u:object_r:traced_relay_relay_port_prop:s0
+ro.traced.              u:object_r:traced_config_prop:s0
 persist.heapprofd.enable u:object_r:heapprofd_enabled_prop:s0
 persist.traced_perf.enable u:object_r:traced_perf_enabled_prop:s0
 uprobestats.start_with_config u:object_r:uprobestats_start_with_config_prop:s0