ART: Remove utils.h's ParseUint & ParseInt

Use the versions from libbase, instead. Removes a runtime-int warning.

Bug: 32619234
Test: mmma art
Change-Id: I5a9a9e2647b1d93eee6d9ea2bf37cc09390e8c16
diff --git a/runtime/class_loader_context.cc b/runtime/class_loader_context.cc
index 2bd5411..f6b764d 100644
--- a/runtime/class_loader_context.cc
+++ b/runtime/class_loader_context.cc
@@ -16,6 +16,8 @@
 
 #include "class_loader_context.h"
 
+#include <android-base/parseint.h>
+
 #include "art_field-inl.h"
 #include "base/dchecked_vector.h"
 #include "base/stl_util.h"
@@ -120,7 +122,7 @@
         return false;
       }
       uint32_t checksum = 0;
-      if (!ParseInt(dex_file_with_checksum[1].c_str(), &checksum)) {
+      if (!android::base::ParseInt(dex_file_with_checksum[1].c_str(), &checksum)) {
         return false;
       }
       class_loader_chain_.back().classpath.push_back(dex_file_with_checksum[0]);