Add ATLAS_CHECK_THREAD_SAFETY to InDetLowBetaFinder package.

• Add ATLAS_CHECK_THREAD_SAFETY to InDetLowBetaFinder package to check thread safety.
  • Add ATLAS_NOT_THREAD_SAFE to printTrtToolBetaLiklihoodDebugFile of InnerDetector/InDetRecAlgs/InDetLowBetaFinder/src/TrtToolsBetaWrapper.cxx because it uses static variable.
    • This method is not currently used.
  • Add ATLAS_NOT_THREAD_SAFE to TrtToolBetaLiklihood class and TRT_FEbeta_fcn function because these use global and static variables for TMinuit.
  • Add ATLAS_NOT_THREAD_SAFE to LowBetaAlg because this class uses the thread unsafe TrtToolBetaLiklihood class.
  • Although we can add std::(recursive_)mutex guard to protect global variables, it requires some works.
• No result changes are expected.
• Related to https://its.cern.ch/jira/browse/ATLASRECTS-5560