Use --dump-stats to dump optimizing compiler stats.

VLOG(compiler) produces too much output and it takes a long time if you
only need to see how an analysis performs.

Change-Id: Ic17c2b2b5fec431d356cecd37289fb96985d4d7f
diff --git a/compiler/optimizing/optimizing_compiler_stats.h b/compiler/optimizing/optimizing_compiler_stats.h
index d4a936d..9bfa543 100644
--- a/compiler/optimizing/optimizing_compiler_stats.h
+++ b/compiler/optimizing/optimizing_compiler_stats.h
@@ -82,7 +82,7 @@
 
       for (int i = 0; i < kLastStat; i++) {
         if (compile_stats_[i] != 0) {
-          VLOG(compiler) << PrintMethodCompilationStat(i) << ": " << compile_stats_[i];
+          LOG(INFO) << PrintMethodCompilationStat(i) << ": " << compile_stats_[i];
         }
       }
     }