8177390: java -version does not differentiate between which port of AArch64 is used
Reviewed-by: aph, dholmes

8004842: Unify values of boolean make variables set in configure to true/false
Reviewed-by: erikj

8168503: JEP 297: Unified arm32/arm64 Port
Reviewed-by: kvn, enevill, ihse, dholmes, erikj, coleenp, cjplummer

Merge

8164120: The minimal VM should be stripped using --strip-unneeded
Reviewed-by: ihse, tbell, bobv

8150736: Excessive disk space used by build system
Reviewed-by: ihse

8160630: libjimage.so and others should link statically to libgcc
Reviewed-by: ihse, tbell

8161258: Simplify including platform files.
Summary: Include patform files with macros cpu_header() etc. Do various cleanups of macro usages. Remove _64/_32 from adlc generated files and platform .hpp files. Merge stubRoutines_x86*.hpp. Remove empty mutex_<os>* files.
Reviewed-by: dholmes, coleenp, kbarrett

8150601: Remove the old Hotspot build system
Reviewed-by: ihse