Show contents of size configurations in debug log.

Bug: None
Test: m
Change-Id: I3116bf42f2192cb5e29c4d74497da1a894feef57
diff --git a/services/core/java/com/android/server/wm/ActivityTaskManagerService.java b/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
index 9fc278e..f58aea3 100644
--- a/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
+++ b/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
@@ -3915,7 +3915,8 @@
     public void reportSizeConfigurations(IBinder token, int[] horizontalSizeConfiguration,
             int[] verticalSizeConfigurations, int[] smallestSizeConfigurations) {
         if (DEBUG_CONFIGURATION) Slog.v(TAG, "Report configuration: " + token + " "
-                + horizontalSizeConfiguration + " " + verticalSizeConfigurations);
+                + Arrays.toString(horizontalSizeConfiguration) + " "
+                + Arrays.toString(verticalSizeConfigurations));
         synchronized (mGlobalLock) {
             ActivityRecord record = ActivityRecord.isInStackLocked(token);
             if (record == null) {