Fix potential integer overflows identified by Coverity

Convert ODK_LAST_STRESSABLE_TYPE to an aliased enum value so that
ODK_FieldLength always returns a valid value instead of SIZE_MAX.

PiperOrigin-RevId: 602823670
Change-Id: I7a843cacca8201677c0f31249112c04f6c3e04cb

libwvdrmengine/oemcrypto/odk/test/odk_test_helper.cpp

@@ -360,22 +360,20 @@ size_t ODK_FieldLength(ODK_FieldType type) {
       return sizeof(uint64_t);
     case ODK_INT64:
       return sizeof(uint64_t);
-    case ODK_BOOL:  // Booleans are stored in the message as 32 bit ints.
-      return sizeof(uint32_t);
     case ODK_SUBSTRING:
       return sizeof(uint32_t) + sizeof(uint32_t);
     case ODK_DEVICEID:
       return ODK_DEVICE_ID_LEN_MAX;
-    case ODK_MESSAGECOUNTER:
-      return ODK_MESSAGECOUNTERINFO_SIZE;
     case ODK_DEVICEINFO:
       return ODK_DEVICE_INFO_LEN_MAX;
+    case ODK_MESSAGECOUNTER:
+      return ODK_MESSAGECOUNTERINFO_SIZE;
     case ODK_RENEWALDATA:
       return ODK_KEYBOX_RENEWAL_DATA_SIZE;
     case ODK_HASH:
       return ODK_SHA256_HASH_SIZE;
-    default:
-      return SIZE_MAX;
+    case ODK_BOOL:  // Booleans are stored in the message as 32 bit ints.
+      return sizeof(uint32_t);
   }
 }