Fix Grid column resize to take account min width for cells (#16597)
Use Escalator cell size calculation without content to determine the
absolute minimum size for cells. This is used in Grid when drag resizing
or sorting columns to prevent cells from overflowing to the next row.
Change-Id: I2d598232d7d2b8729b11fe190b68ca3e42ee3652
Add API for setting Grid columns resizable (#16838)
By default columns can be drag-resized by the user. This can be changed on a
column-by-column basis.
Change-Id: I8354e270db9affe865d1444d6cccbe8c839a3b5b