ART: Move to libbase StringPrintf

Remove ART's StringPrintf implementation. Fix up clients. Add
missing includes where necessary.

Test: m test-art-host
Change-Id: I564038d5868595ac3bb88d641af1000cea940e5a
diff --git a/runtime/reference_table_test.cc b/runtime/reference_table_test.cc
index d80a9b3..9523e92 100644
--- a/runtime/reference_table_test.cc
+++ b/runtime/reference_table_test.cc
@@ -16,6 +16,8 @@
 
 #include "reference_table.h"
 
+#include "android-base/stringprintf.h"
+
 #include "class_linker.h"
 #include "common_runtime_test.h"
 #include "handle_scope-inl.h"
@@ -30,6 +32,8 @@
 
 namespace art {
 
+using android::base::StringPrintf;
+
 class ReferenceTableTest : public CommonRuntimeTest {};
 
 static mirror::Object* CreateWeakReference(mirror::Object* referent)