Clean up logcat spam from compiler and verifier

Moved to VLOG(...), adding verifer tag for VLOG.

Change-Id: Ia9ac8aeaf5aa1f4881e384003e82a66e560c5692
diff --git a/runtime/base/logging.h b/runtime/base/logging.h
index ade8d34..8e40da0 100644
--- a/runtime/base/logging.h
+++ b/runtime/base/logging.h
@@ -125,6 +125,7 @@
 
 #define VLOG_IS_ON(module) UNLIKELY(::art::gLogVerbosity.module)
 #define VLOG(module) if (VLOG_IS_ON(module)) ::art::LogMessage(__FILE__, __LINE__, INFO, -1).stream()
+#define VLOG_STREAM(module) ::art::LogMessage(__FILE__, __LINE__, INFO, -1).stream()
 
 //
 // Implementation details beyond this point.
@@ -306,6 +307,7 @@
 // and the "-verbose:" command line argument.
 struct LogVerbosity {
   bool class_linker;  // Enabled with "-verbose:class".
+  bool verifier;
   bool compiler;
   bool heap;
   bool gc;