Clean up include paths

Remove runtime/globals.h and make clients point to the right globals.h
(libartbase/base/globals.h).  Also make within-libartbase includes
relative rather than using base/, etc.

Bug: 22322814
Test: make -j 40 checkbuild
Change-Id: I99de63fc851d48946ab401e2369de944419041c7
diff --git a/libartbase/base/bit_utils_iterator.h b/libartbase/base/bit_utils_iterator.h
index 3fab15a..4975ebf 100644
--- a/libartbase/base/bit_utils_iterator.h
+++ b/libartbase/base/bit_utils_iterator.h
@@ -23,9 +23,9 @@
 
 #include <android-base/logging.h>
 
-#include "base/bit_utils.h"
-#include "base/iteration_range.h"
-#include "base/stl_util.h"
+#include "bit_utils.h"
+#include "iteration_range.h"
+#include "stl_util.h"
 
 namespace art {