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/elf_file.cc b/runtime/elf_file.cc
index ee0f340..59b734f 100644
--- a/runtime/elf_file.cc
+++ b/runtime/elf_file.cc
@@ -20,11 +20,11 @@
 #include <sys/types.h>
 #include <unistd.h>
 
+#include "android-base/stringprintf.h"
 #include "android-base/strings.h"
 
 #include "arch/instruction_set.h"
 #include "base/logging.h"
-#include "base/stringprintf.h"
 #include "base/stl_util.h"
 #include "base/unix_file/fd_file.h"
 #include "elf_file_impl.h"
@@ -34,6 +34,8 @@
 
 namespace art {
 
+using android::base::StringPrintf;
+
 template <typename ElfTypes>
 ElfFileImpl<ElfTypes>::ElfFileImpl(File* file, bool writable,
                                    bool program_header_only,