Removed Slog string formatting usage.

Test: m

Bug: 182476140

Change-Id: If2c8408a4dca415f0a02cd04c120935385a4a836
diff --git a/ClusterHomeSample/src/com/android/car/cluster/home/ClusterHomeApplication.java b/ClusterHomeSample/src/com/android/car/cluster/home/ClusterHomeApplication.java
index 258c958..62c218b 100644
--- a/ClusterHomeSample/src/com/android/car/cluster/home/ClusterHomeApplication.java
+++ b/ClusterHomeSample/src/com/android/car/cluster/home/ClusterHomeApplication.java
@@ -126,7 +126,7 @@
                 CarInputManager.CAPTURE_REQ_FLAGS_TAKE_ALL_EVENTS_FOR_DISPLAY,
                 mInputCaptureCallback);
         if (r != CarInputManager.INPUT_CAPTURE_RESPONSE_SUCCEEDED) {
-            Slog.e(TAG, "Failed to capture InputEvent on Cluster: r=%d", r);
+            Slog.e(TAG, "Failed to capture InputEvent on Cluster: r=" + r);
         }
 
         if (mClusterState.uiType != UI_TYPE_HOME) {
@@ -236,4 +236,4 @@
         // Use Android InputManager to forward KeyEvent.
         mInputManager.injectInputEvent(keyEvent, INJECT_INPUT_EVENT_MODE_ASYNC);
     }
-}
\ No newline at end of file
+}