ART: Refactor verify_object.h

Move the actual VerifyObject check into a new cc file, as we
commonly don't enable the check at all. This allows to cut the
-inl include from almost all current users.

This also exposes missing -inl includes. Also fix up some of our old
mess where .h defined functions require -inl.h defined functions.

Test: m

Change-Id: I3dd821bbe2015564a29bf1ed9be00f7a7276ad61
diff --git a/runtime/native/java_lang_String.cc b/runtime/native/java_lang_String.cc
index ea266d1..f1d6ff5 100644
--- a/runtime/native/java_lang_String.cc
+++ b/runtime/native/java_lang_String.cc
@@ -25,7 +25,7 @@
 #include "scoped_fast_native_object_access-inl.h"
 #include "scoped_thread_state_change-inl.h"
 #include "ScopedLocalRef.h"
-#include "verify_object-inl.h"
+#include "verify_object.h"
 
 namespace art {