Now we have a proper C++ library, use std::unique_ptr.

Also remove the Android.libcxx.mk and other bits of stlport compatibility
mechanics.

Change-Id: Icdf7188ba3c79cdf5617672c1cfd0a68ae596a61
diff --git a/runtime/parsed_options_test.cc b/runtime/parsed_options_test.cc
index 39f7638..b58a29c 100644
--- a/runtime/parsed_options_test.cc
+++ b/runtime/parsed_options_test.cc
@@ -16,7 +16,8 @@
 
 #include "parsed_options.h"
 
-#include "UniquePtrCompat.h"
+#include <memory>
+
 #include "common_runtime_test.h"
 
 namespace art {
@@ -53,7 +54,7 @@
   options.push_back(std::make_pair("vfprintf", test_vfprintf));
   options.push_back(std::make_pair("abort", test_abort));
   options.push_back(std::make_pair("exit", test_exit));
-  UniquePtr<ParsedOptions> parsed(ParsedOptions::Create(options, false));
+  std::unique_ptr<ParsedOptions> parsed(ParsedOptions::Create(options, false));
   ASSERT_TRUE(parsed.get() != NULL);
 
   EXPECT_EQ(lib_core, parsed->boot_class_path_string_);