8143077: Deprecate InputEvent._MASK in favor of InputEvent._DOWN_MASK
Reviewed-by: prr, alexsch, azvegint, mchung, egahlin

8161342: Service Menu services
Reviewed-by: prr, mschoene

8161148: Rollback JDK-8158993 from client repo
Reviewed-by: prr, mschoene

8158993: Service Menu services
Reviewed-by: prr, mschoene

8054834: Modular Source Code
Reviewed-by: alanb, chegar, ihse, mduigou
Contributed-by: alan.bateman@oracle.com, alex.buckley@oracle.com, chris.hegarty@oracle.com, erik.joelsson@oracle.com, jonathan.gibbons@oracle.com, karen.kinnear@oracle.com, magnus.ihse.bursie@oracle.com, mandy.chung@oracle.com, mark.reinhold@oracle.com, paul.sandoz@oracle.com