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/monitor.cc b/runtime/monitor.cc
index e7de7e6..222eb5c 100644
--- a/runtime/monitor.cc
+++ b/runtime/monitor.cc
@@ -18,6 +18,8 @@
 
 #include <vector>
 
+#include "android-base/stringprintf.h"
+
 #include "art_method-inl.h"
 #include "base/mutex.h"
 #include "base/stl_util.h"
@@ -38,6 +40,8 @@
 
 namespace art {
 
+using android::base::StringPrintf;
+
 static constexpr uint64_t kLongWaitMs = 100;
 
 /*