ARM: Replace arm::SetCc with vixl32::FlagsUpdate.

And delete obsolete test header file.

Test: Rely on TreeHugger.
Change-Id: I15858b8462198098f21956685a2ad77908b8a186
diff --git a/compiler/utils/arm/assembler_arm_vixl.cc b/compiler/utils/arm/assembler_arm_vixl.cc
index d6b24da..05250a4 100644
--- a/compiler/utils/arm/assembler_arm_vixl.cc
+++ b/compiler/utils/arm/assembler_arm_vixl.cc
@@ -112,12 +112,14 @@
   return vixl_masm_.IsModifiedImmediate(immediate);
 }
 
-bool ArmVIXLAssembler::ShifterOperandCanHold(Opcode opcode, uint32_t immediate, SetCc set_cc) {
+bool ArmVIXLAssembler::ShifterOperandCanHold(Opcode opcode,
+                                             uint32_t immediate,
+                                             vixl::aarch32::FlagsUpdate update_flags) {
   switch (opcode) {
     case ADD:
     case SUB:
       // Less than (or equal to) 12 bits can be done if we don't need to set condition codes.
-      if (IsUint<12>(immediate) && set_cc != kCcSet) {
+      if (IsUint<12>(immediate) && update_flags != vixl::aarch32::SetFlags) {
         return true;
       }
       return ShifterOperandCanAlwaysHold(immediate);