[optimizing] Only print full stats in VLOG(compiler)

Also add a kCompiledQuick stat.

bug:19956318

Change-Id: I0c6c0ac256362824eb9f1418216ab7e2c289a17b
diff --git a/compiler/optimizing/optimizing_compiler.cc b/compiler/optimizing/optimizing_compiler.cc
index 5ce73ba..b2f9c65 100644
--- a/compiler/optimizing/optimizing_compiler.cc
+++ b/compiler/optimizing/optimizing_compiler.cc
@@ -583,8 +583,13 @@
   if (method != nullptr) {
     return method;
   }
-  return delegate_->Compile(code_item, access_flags, invoke_type, class_def_idx, method_idx,
-                            class_loader, dex_file);
+  method = delegate_->Compile(code_item, access_flags, invoke_type, class_def_idx, method_idx,
+                              class_loader, dex_file);
+
+  if (method != nullptr) {
+    compilation_stats_.RecordStat(MethodCompilationStat::kCompiledQuick);
+  }
+  return method;
 }
 
 Compiler* CreateOptimizingCompiler(CompilerDriver* driver) {