8183552: Move align functions to align.hpp
Reviewed-by: stuefe, pliden

8178499: Remove _ptr_ and _size_ infixes from align functions
Reviewed-by: rehn, tschatzl

8157709: NMT should use size_t version of Atomic::add
Reviewed-by: kbarrett, sspitsyn

8167650: NMT should check for invalid MEMFLAGS
Reviewed-by: dholmes, mockner, cjplummer

8055007: NMT2: emptyStack missing in minimal build
Summary: Refactored emptyStack to a static member of NativeCallStack, which is accessible in minimal build.
Reviewed-by: coleenp, dholmes

8046598: Scalable Native memory tracking development
Summary: Enhance scalability of native memory tracking
Reviewed-by: coleenp, ctornqvi, gtriantafill