ART: Add missing space in log line

Follow-up to commit c560fc0b430816825add4125134b20eb791f6036.

Test: m
Change-Id: Ie558b2984ec629706d2122eca9dd96b8c3497298
diff --git a/dex2oat/dex2oat.cc b/dex2oat/dex2oat.cc
index 0edbd11..8fb4040 100644
--- a/dex2oat/dex2oat.cc
+++ b/dex2oat/dex2oat.cc
@@ -2598,7 +2598,7 @@
     // Note: driver creation can fail when loading an invalid dex file.
     LOG(INFO) << "dex2oat took "
               << PrettyDuration(NanoTime() - start_ns_)
-              << "(" << PrettyDuration(ProcessCpuNanoTime() - start_cputime_ns_) << " cpu)"
+              << " (" << PrettyDuration(ProcessCpuNanoTime() - start_cputime_ns_) << " cpu)"
               << " (threads: " << thread_count_ << ") "
               << ((Runtime::Current() != nullptr && driver_ != nullptr) ?
                   driver_->GetMemoryUsageString(kIsDebugBuild || VLOG_IS_ON(compiler)) :