Fix cpplint readability/fn_size issues

Change-Id: I1efdb07a948a2af49db1a9d21ccab16dacc03a54
diff --git a/compiler/dex/quick/mir_to_lir.cc b/compiler/dex/quick/mir_to_lir.cc
index b758fb5..74eaa66 100644
--- a/compiler/dex/quick/mir_to_lir.cc
+++ b/compiler/dex/quick/mir_to_lir.cc
@@ -655,7 +655,7 @@
     default:
       LOG(FATAL) << "Unexpected opcode: " << opcode;
   }
-}
+}  // NOLINT(readability/fn_size)
 
 // Process extended MIR instructions
 void Mir2Lir::HandleExtendedMethodMIR(BasicBlock* bb, MIR* mir) {