
## Description This PR is a partial reland of https://github.com/flutter/flutter/pull/148944 which was reverted in https://github.com/flutter/flutter/pull/149448. It makes the `InputDecoration.hintText` colors compliant with the M3 spec. The initial PR also changed the font style, I will land the font change in another PR to better track the golden changes. ## Related Issue Related to the color part of https://github.com/flutter/flutter/issues/148787. ## Tests Updates several tests.