46a4c05ace
This pull request is created by [automatic cherry pick workflow](https://github.com/flutter/flutter/blob/main/docs/releases/Flutter-Cherrypick-Process.md#automatically-creates-a-cherry-pick-request) Please fill in the form below, and a flutter domain expert will evaluate this cherry pick request. ### Issue Link: What is the link to the issue this cherry-pick is addressing? https://github.com/flutter/flutter/issues/169249 https://github.com/flutter/flutter/issues/169436 ### Changelog Description: Explain this cherry pick in one line that is accessible to most Flutter developers. See [best practices](https://github.com/flutter/flutter/blob/main/docs/releases/Hotfix-Documentation-Best-Practices.md) for examples NavigationBar active indicator animation gets stucked. ### Impact Description: What is the impact (ex. visual jank on Samsung phones, app crash, cannot ship an iOS app)? Does it impact development (ex. flutter doctor crashes when Android Studio is installed), or the shipping production app (the app crashes on launch) Visual glitch visible by users. In several scenarios, the active indicator for NavigationBar and NavigationDrawer is not properly painted (animation stucked half way or active color not reflecting the current state). ### Workaround: Is there a workaround for this issue? No ### Risk: What is the risk level of this cherry-pick? - [ x ] Low ### Test Coverage: Are you confident that your fix is well-tested by automated tests? - [ x ] Yes ### Validation Steps: What are the steps to validate that this fix works? Run the code sample from https://github.com/flutter/flutter/issues/169249. This fix is a revert to a PR which landed in the current stable.