TextInputWidget: support spellcheck attribute

Authored by DLynch on Tue, Nov 14, 5:23 PM.

Description

TextInputWidget: support spellcheck attribute

spellcheck allows browser spellchecking to be enabled/disabled in an input.
When not provided, it's left up to the browser, as it currently is.

Bug: T179654
Change-Id: I1c9a25470765e6040ecbb599cbcebdd6c97cb74a

Details