Eliminate dependencies on assemblers and code stubs in precompiled runtime.

runtime/vm/il_printer.cc

Index: runtime/vm/il_printer.cc
diff --git a/runtime/vm/il_printer.cc b/runtime/vm/il_printer.cc
index 653d564e6a8feb722191aa3a05cbafd76556c4ea..e71f694d8d4f8356d13211f57d8315a65e7a6c13 100644
--- a/runtime/vm/il_printer.cc
+++ b/runtime/vm/il_printer.cc
@@ -2,6 +2,8 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
+#if !defined(DART_PRECOMPILED_RUNTIME)
+
 #include "vm/il_printer.h"
 
 #include "vm/flow_graph_range_analysis.h"
@@ -1420,3 +1422,5 @@ bool FlowGraphPrinter::ShouldPrint(const Function& function) {
 #endif  // !PRODUCT
 
 }  // namespace dart
+
+#endif  // !defined(DART_PRECOMPILED_RUNTIME)