8181449: Fix debug.hpp / globalDefinitions.hpp dependency inversion
Summary: Refactor debug.hpp and reverse include dependency.
Reviewed-by: coleenp, stefank, dcubed

8179889: Fix typographic errors in copyright headers
Reviewed-by: erikj, dholmes

8172098: A lot of gtests uses TEST instead of TEST_VM
Reviewed-by: iignatyev

8165698: Convert LogTagSet related internal tests to GTest
Reviewed-by: rehn, rprotacio