rename a few files to camel-case, add copyright notices
diff --git a/core/jni/android_backup_FileBackupHelper.cpp b/core/jni/android_backup_FileBackupHelper.cpp
index a05d812..a46f37b 100644
--- a/core/jni/android_backup_FileBackupHelper.cpp
+++ b/core/jni/android_backup_FileBackupHelper.cpp
@@ -20,7 +20,7 @@
 #include "JNIHelp.h"
 #include <android_runtime/AndroidRuntime.h>
 
-#include <utils/backup_helpers.h>
+#include <utils/BackupHelpers.h>
 
 namespace android
 {