Add a local elf.h

Change-Id: Ic2d449bfdd3c95e393c083c9e1022adc4e9c06b8
diff --git a/runtime/elf_utils.h b/runtime/elf_utils.h
index ce8587b..2c50047 100644
--- a/runtime/elf_utils.h
+++ b/runtime/elf_utils.h
@@ -19,8 +19,8 @@
 
 #include <sys/cdefs.h>
 
-// Explicitly include elf.h from elfutils to avoid Linux and other dependencies.
-#include "../../external/elfutils/0.153/libelf/elf.h"
+// Explicitly include our own elf.h to avoid Linux and other dependencies.
+#include "./elf.h"
 
 // Architecture dependent flags for the ELF header.
 #define EF_ARM_EABI_VER5 0x05000000