Helper class for when Google code wants to log errors that may have failed an item outside of the executors

[osamahan999]

ex will be in pr #1306

try {
  convertToMediaModel(...)
} catch (ParseException e) {
  ErrorDetail errorDetail = GoogleErrorLogger.createErrorDetail(...);
  GoogleErrorLogger.logFailedItemErrors(jobId, ImmutableList.of(errorDetail), jobStore);
  monitor.log(...);
}