Optimizing/ARM: Fix AddConstant() to adhere to set_cc.

And improve it to use shorter code sequences.

Bug: 26121945

Change-Id: Ia4f1688652c195a7ca19af36d919388a550e2841
diff --git a/compiler/utils/arm/assembler_arm32.cc b/compiler/utils/arm/assembler_arm32.cc
index a7dbacd..ebca25b 100644
--- a/compiler/utils/arm/assembler_arm32.cc
+++ b/compiler/utils/arm/assembler_arm32.cc
@@ -57,6 +57,7 @@
                                            Register rn ATTRIBUTE_UNUSED,
                                            Opcode opcode ATTRIBUTE_UNUSED,
                                            uint32_t immediate,
+                                           SetCc set_cc ATTRIBUTE_UNUSED,
                                            ShifterOperand* shifter_op) {
   return ShifterOperandCanHoldArm32(immediate, shifter_op);
 }