Don't always create ErrorMessage in ProcessData::FindModuleByAddress (#3276)
Don't always create ErrorMessage in ProcessData::FindModuleByAddress (#3276)

This speeds up `CreateTopDownViewFromPostProcessedSamplingData` by ~40% and
`CreateBottomUpViewFromPostProcessedSamplingData` by ~30%! (as per the timings
we print in the logs with a capture with 4M samples).
google/orbit,google/orbit,google/orbit,google/orbit