Allow adb start/stop mdnsd via ctl.start/stop

Bug: 128345139
Test: make selinux_policy
Change-Id: I477d6d94c16974f23f703d5f334ef108279ab3bb
Signed-off-by: Changyeon Jo <changyeon@google.com>
diff --git a/public/adbd.te b/public/adbd.te
index 68a176c..4a1f633 100644
--- a/public/adbd.te
+++ b/public/adbd.te
@@ -6,3 +6,6 @@
 # Only init is allowed to enter the adbd domain via exec()
 neverallow { domain -init } adbd:process transition;
 neverallow * adbd:process dyntransition;
+
+# Allow adbd start/stop mdnsd via ctl.start
+set_prop(adbd, ctl_mdnsd_prop)