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/compiler/utils/mips64/assembler_mips64.h b/compiler/utils/mips64/assembler_mips64.h
index 542dbaf..19f23b7 100644
--- a/compiler/utils/mips64/assembler_mips64.h
+++ b/compiler/utils/mips64/assembler_mips64.h
@@ -24,10 +24,10 @@
 #include "arch/mips64/instruction_set_features_mips64.h"
 #include "base/arena_containers.h"
 #include "base/enums.h"
+#include "base/globals.h"
 #include "base/macros.h"
 #include "base/stl_util_identity.h"
 #include "constants_mips64.h"
-#include "globals.h"
 #include "heap_poisoning.h"
 #include "managed_register_mips64.h"
 #include "offsets.h"