Change BKPT and UDF encodings on ARM.

src/trusted/validator_arm/inst_classes_testers.cc

Index: src/trusted/validator_arm/inst_classes_testers.cc
diff --git a/src/trusted/validator_arm/inst_classes_testers.cc b/src/trusted/validator_arm/inst_classes_testers.cc
index 48d13f49b19ad8e712d5807d847b1a14a0662d4c..017575fc2629df16f5f498af6fe6e3cbb6dadf13 100644
--- a/src/trusted/validator_arm/inst_classes_testers.cc
+++ b/src/trusted/validator_arm/inst_classes_testers.cc
@@ -2498,8 +2498,8 @@ ApplySanityChecks(Instruction inst,
   return true;
 }
 
-// RoadblockTester
-bool RoadblockTester::ApplySanityChecks(Instruction inst,
+// PermanentlyUndefinedTester
+bool PermanentlyUndefinedTester::ApplySanityChecks(Instruction inst,
                                         const NamedClassDecoder& decoder) {
   // Check if expected class name found.
   NC_PRECOND(CondDecoderTester::ApplySanityChecks(inst, decoder));