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/verifier/method_verifier.cc b/runtime/verifier/method_verifier.cc
index 9a393ea..52bd736 100644
--- a/runtime/verifier/method_verifier.cc
+++ b/runtime/verifier/method_verifier.cc
@@ -24,6 +24,7 @@
 #include "art_method-inl.h"
 #include "base/aborting.h"
 #include "base/enums.h"
+#include "base/leb128.h"
 #include "base/logging.h"  // For VLOG.
 #include "base/mutex-inl.h"
 #include "base/stl_util.h"
@@ -41,7 +42,6 @@
 #include "handle_scope-inl.h"
 #include "indenter.h"
 #include "intern_table.h"
-#include "leb128.h"
 #include "mirror/class-inl.h"
 #include "mirror/class.h"
 #include "mirror/dex_cache-inl.h"