8000992: Update new build-infra makefiles
Summary: Build-infra project integration. Multiple authors on this work: erikj and ihse primarily, also changes from ohair, tbell, and dholmes. Special credit to ohstrom for his smartjavac work.
Reviewed-by: erikj, ihse, dholmes, tbell
8000172: 2 SAX features does not work properly
Summary: When external dtd is not loaded, skippedEntity event should be reported for entity references.
Reviewed-by: lancea