update bundled rc files to their contents from rootdir/init.rc

Bug 23186545

Change-Id: Ieb03ba89db2dee0365ae346295207ddfd29bd2b7
(cherry picked from commit 297991b3248f1e15ccc6c775b9a12e62925095f3)
diff --git a/logd/logd.rc b/logd/logd.rc
index 498baec..da6a0bc 100644
--- a/logd/logd.rc
+++ b/logd/logd.rc
@@ -3,6 +3,7 @@
     socket logd stream 0666 logd logd
     socket logdr seqpacket 0666 logd logd
     socket logdw dgram 0222 logd logd
+    group root system
 
 service logd-reinit /system/bin/logd --reinit
     oneshot