Add ATLAS_CHECK_THREAD_SAFETY to PixelConditionsTools package
- Add ATLAS_CHECK_THREAD_SAFETY to PixelConditionsTools package to check and keep thread safety.
- Add ATLAS_NOT_THREAD_SAFE of CxxUtils/checker_macros.h to PixelByteStreamErrorsTool class because this class currently has many mutable memebers without mutex guard or atomicity.
- No result changes are expected.
- Related to https://its.cern.ch/jira/browse/ATLASRECTS-5560
Edited by Susumu Oda