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/jni_env_ext.cc b/runtime/jni_env_ext.cc
index 342e0d2..5a3fafa 100644
--- a/runtime/jni_env_ext.cc
+++ b/runtime/jni_env_ext.cc
@@ -19,6 +19,8 @@
 #include <algorithm>
 #include <vector>
 
+#include "android-base/stringprintf.h"
+
 #include "check_jni.h"
 #include "indirect_reference_table.h"
 #include "java_vm_ext.h"
@@ -30,6 +32,8 @@
 
 namespace art {
 
+using android::base::StringPrintf;
+
 static constexpr size_t kMonitorsInitial = 32;  // Arbitrary.
 static constexpr size_t kMonitorsMax = 4096;  // Arbitrary sanity check.