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/imgdiag/imgdiag.cc b/imgdiag/imgdiag.cc
index a374686..f307cbc 100644
--- a/imgdiag/imgdiag.cc
+++ b/imgdiag/imgdiag.cc
@@ -26,9 +26,10 @@
 #include <map>
 #include <unordered_set>
 
+#include "android-base/stringprintf.h"
+
 #include "art_method-inl.h"
 #include "base/unix_file/fd_file.h"
-#include "base/stringprintf.h"
 #include "gc/space/image_space.h"
 #include "gc/heap.h"
 #include "mirror/class-inl.h"
@@ -46,6 +47,8 @@
 
 namespace art {
 
+using android::base::StringPrintf;
+
 class ImgDiagDumper {
  public:
   explicit ImgDiagDumper(std::ostream* os,