Fix invalid format specifier in log message

Bug: 15154713
Change-Id: Ia1f45eb568b31f02a7443def0dc9ef32a21e7f02
diff --git a/telecomm/java/android/telecomm/ConnectionService.java b/telecomm/java/android/telecomm/ConnectionService.java
index 9ace36f..492b08e 100644
--- a/telecomm/java/android/telecomm/ConnectionService.java
+++ b/telecomm/java/android/telecomm/ConnectionService.java
@@ -40,7 +40,7 @@
         @Override
         public void onStateChanged(Connection c, int state) {
             String id = mIdByConnection.get(c);
-            Log.d(this, "Adapter set state %d %s", id, Connection.stateToString(state));
+            Log.d(this, "Adapter set state %s %s", id, Connection.stateToString(state));
             switch (state) {
                 case Connection.State.ACTIVE:
                     getAdapter().setActive(id);