Clean up logcat spam from compiler and verifier

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

Change-Id: Ia9ac8aeaf5aa1f4881e384003e82a66e560c5692
diff --git a/compiler/oat_writer.cc b/compiler/oat_writer.cc
index ce88cf6..b129026 100644
--- a/compiler/oat_writer.cc
+++ b/compiler/oat_writer.cc
@@ -464,7 +464,7 @@
   if (kIsDebugBuild) {
     uint32_t size_total = 0;
     #define DO_STAT(x) \
-      LOG(INFO) << #x "=" << PrettySize(x) << " (" << x << "B)"; \
+      VLOG(compiler) << #x "=" << PrettySize(x) << " (" << x << "B)"; \
       size_total += x;
 
     DO_STAT(size_dex_file_alignment_);
@@ -495,7 +495,7 @@
     DO_STAT(size_oat_class_method_offsets_);
     #undef DO_STAT
 
-    LOG(INFO) << "size_total=" << PrettySize(size_total) << " (" << size_total << "B)"; \
+    VLOG(compiler) << "size_total=" << PrettySize(size_total) << " (" << size_total << "B)"; \
     CHECK_EQ(file_offset + size_total, static_cast<uint32_t>(out.Seek(0, kSeekCurrent)));
     CHECK_EQ(size_, size_total);
   }