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/native/dalvik_system_ZygoteHooks.cc b/runtime/native/dalvik_system_ZygoteHooks.cc
index a78909b..10fc90b 100644
--- a/runtime/native/dalvik_system_ZygoteHooks.cc
+++ b/runtime/native/dalvik_system_ZygoteHooks.cc
@@ -18,6 +18,8 @@
 
 #include <stdlib.h>
 
+#include "android-base/stringprintf.h"
+
 #include "arch/instruction_set.h"
 #include "debugger.h"
 #include "java_vm_ext.h"
@@ -37,6 +39,8 @@
 
 namespace art {
 
+using android::base::StringPrintf;
+
 static void EnableDebugger() {
 #if defined(__linux__)
   // To let a non-privileged gdbserver attach to this