Header library to remove dependence on runtime/

Add a new header library to remove libdexfile and others' dependence on
runtime (typically runtime/base) includes in libdexfile.  Also a small step
to tease dexlayout and profman away from relying on these as well.

Bug: 22322814
Test: make -j 50 checkbuild
      make -j 50 test-art-host-gtest

Change-Id: I38e2fe399a75f4bc6318c77a71954c00ea73ec2b
diff --git a/runtime/stack_map.h b/runtime/stack_map.h
index 62fb54f..bde3462 100644
--- a/runtime/stack_map.h
+++ b/runtime/stack_map.h
@@ -22,9 +22,9 @@
 #include "arch/code_offset.h"
 #include "base/bit_utils.h"
 #include "base/bit_vector.h"
+#include "base/leb128.h"
 #include "bit_memory_region.h"
 #include "dex/dex_file_types.h"
-#include "leb128.h"
 #include "memory_region.h"
 #include "method_info.h"