Amend:
Use TimeUtil.newGmtCalendar() and remove whitespace only change
Add TODO for point data types.
Change-Id: If232ef50a63066e85b122d4247fa767fc31313d3
Former-commit-id: c981b7250f [formerly c981b7250f [formerly b91593c0a50114e4766ecf83d92e7f25b58bbbf8]]
Former-commit-id: 6129d86be4
Former-commit-id: dd8f4d8454