message: Fix OSS build
  Summary:
  gcc 4.9 cannot infer the `<<` operand overloading the way we expected.
  I tried different code arrangements, but it just doesn't pick up. I'm fine with removing the tracing code from the repo.
diff: @@ -550,22 +550,11 @@ class Analyzer final : public BaseIRAnalyzer<AbstractObjectEnvironment> {
  for (auto& mie : InstructionIterable(block)) {
  IRInstruction* insn = mie.insn;
  m_environments.emplace(insn, current_state);
  - traceState(insn, current_state);
  analyze_instruction(insn, &current_state);
  }
  }
  }
  - void traceState(const IRInstruction* insn,
  - const AbstractObjectEnvironment& current_state) {
  - if (!traceEnabled(REFL, 5)) {
  - return;
  - }
  - std::ostringstream out;
  - out << current_state << std::endl;
  - TRACE(REFL, 5, " %s %s\n", SHOW(insn), out.str().c_str());
  - }
  -
  DexMethodRef* m_get_class{DexMethod::make_method(
  "Ljava/lang/Object;", "getClass", {}, "Ljava/lang/Class;")};
  DexMethodRef* m_get_method{
  