[libFuzzer] Add standard license info and comment header to AFLDriverTest.cpp

Summary: Add license info and brief description of file to AFLDriverTest.cpp.

Reviewers: kcc, aizatsky

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D21487

llvm-svn: 273527
diff --git a/llvm/lib/Fuzzer/test/AFLDriverTest.cpp b/llvm/lib/Fuzzer/test/AFLDriverTest.cpp
index 9ae18cb..576c538 100644
--- a/llvm/lib/Fuzzer/test/AFLDriverTest.cpp
+++ b/llvm/lib/Fuzzer/test/AFLDriverTest.cpp
@@ -1,3 +1,7 @@
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+
+// Contains dummy functions used to avoid dependency on AFL.
 #include <stdint.h>
 #include <stdlib.h>