Fix android-ashmem.h file not found

Author: JoeyJiao

llvm_mode/afl-llvm-rt.o.c

@@ -26,7 +26,7 @@
    This code is the rewrite of afl-as.h's main_payload.
 */
 
-#include "android-ashmem.h"
+#include "../android-ashmem.h"
 #include "../config.h"
 #include "../types.h"