ART: Some Quick cleanup

Move some definitions around. In case a method is already virtual,
avoid instruction-set tests.

Change-Id: I8d98f098e55ade1bc0cfa32bb2aad006caccd07d
diff --git a/compiler/dex/quick/arm/codegen_arm.h b/compiler/dex/quick/arm/codegen_arm.h
index fa8dfe3..6ac1849 100644
--- a/compiler/dex/quick/arm/codegen_arm.h
+++ b/compiler/dex/quick/arm/codegen_arm.h
@@ -263,6 +263,9 @@
 
     void GenMachineSpecificExtendedMethodMIR(BasicBlock* bb, MIR* mir) OVERRIDE;
 
+    bool HandleEasyDivRem(Instruction::Code dalvik_opcode, bool is_div,
+                          RegLocation rl_src, RegLocation rl_dest, int lit) OVERRIDE;
+
   private:
     void GenNegLong(RegLocation rl_dest, RegLocation rl_src);
     void GenMulLong(Instruction::Code opcode, RegLocation rl_dest, RegLocation rl_src1,