Improve warning messages for permission denial due to non-exported intent receivers.
diff --git a/services/java/com/android/server/am/ActivityManagerService.java b/services/java/com/android/server/am/ActivityManagerService.java
index 2e2cdb2..5585ea7 100644
--- a/services/java/com/android/server/am/ActivityManagerService.java
+++ b/services/java/com/android/server/am/ActivityManagerService.java
@@ -5746,6 +5746,7 @@
         }
         // If the target requires a specific UID, always fail for others.
         if (reqUid >= 0 && uid != reqUid) {
+            Log.w(TAG, "Permission denied: checkComponentPermission() reqUid=" + reqUid);
             return PackageManager.PERMISSION_DENIED;
         }
         if (permission == null) {