md-grid-list appears to change properties/bindings after it's checked, which causes assertion errors with dev mode enabled.
EXCEPTION: Expression 'style.height in DemoApp > div:nth-child(2) > md-grid-list:nth-child(3) >
md-grid-tile:nth-child(1)' has changed after it was checked. Previous value: 'undefined'. Current value:
'calc( (50px * 1) + (0 * 2em) )' in [style.height in DemoApp > div:nth-child(2) > md-grid-list:nth-child(3)
> md-grid-tile:nth-child(1)]