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/compiler/oat_test.cc b/compiler/oat_test.cc
index 0a778b0..edc93ab 100644
--- a/compiler/oat_test.cc
+++ b/compiler/oat_test.cc
@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+#include "android-base/stringprintf.h"
+
 #include "arch/instruction_set_features.h"
 #include "art_method-inl.h"
 #include "base/enums.h"
@@ -48,7 +50,7 @@
   va_list ap;
   va_start(ap, fmt);
   std::string error;
-  StringAppendV(&error, fmt, ap);
+  android::base::StringAppendV(&error, fmt, ap);
   LOG(FATAL) << error;
   va_end(ap);
   UNREACHABLE();