message: Changed message for invalid mem size
diff: @@ -45,12 +45,12 @@ static NSString *const TFLSupportTaskErrorDomain = @"org.tensorflow.lite.tasks";
  if (!memSize) {
  [TFLCommonUtils createCustomError:error
  withCode:TFLSupportErrorCodeInvalidArgumentError
  - description:@"Invalid memory size passed for allocation of object."];
  - return nil;
  + description:@"memSize cannot be NULL."];
  + return NULL;
  }
  void *allocedMemory = malloc(memSize);
  - if (!allocedMemory && memSize) {
  + if (!allocedMemory) {
  exit(-1);
  }
  