Improve interpreter to interpreter invokes.

The interpreter constructs a shadow frame instead of arg array to make
interpreter to interpreter transitions faster. This adds a pointer to
an entry for the interpreter to each method.

Change-Id: If48911d3aa3470847b8548a9e92090b829f4f254
diff --git a/src/compiler/driver/compiler_driver.cc b/src/compiler/driver/compiler_driver.cc
index 5ddd0a6..6b7d9e6 100644
--- a/src/compiler/driver/compiler_driver.cc
+++ b/src/compiler/driver/compiler_driver.cc
@@ -492,7 +492,7 @@
 
 bool CompilerDriver::IsImageClass(const std::string& descriptor) const {
   if (image_classes_ == NULL) {
-    return true;
+    return false;
   }
   return image_classes_->find(descriptor) != image_classes_->end();
 }
@@ -1649,7 +1649,6 @@
     } else if (code_item->insns_size_in_code_units_ < Runtime::Current()->GetSmallModeMethodDexSizeLimit()) {
     // Do compile small methods.
       dont_compile = false;
-      LOG(INFO) << "Compiling a small method: " << PrettyMethod(method_idx, dex_file);
     }
 
     if (!dont_compile) {