* Revert "use color.shadeXxx instead of color[Xxx] (#8932)"
This reverts commit 578ca0a295c83d5be00de28f4ab62968a762df71.
* Revert "add missing const keyword (#8931)"
This reverts commit fac2fac1d67708da14364dc90f40e06130da9d21.
* Revert "Make min/max fling velocity and min fling distance ScrollPhysics properties (#8928)"
This reverts commit dac80aac89959a57194d96ffe06211b3faffc907.
* Revert "Defer to operating system for whichAll (#8921)"
This reverts commit 14933de986b1264015ea69442603520cff969650.
* Revert "Update gradle wrapper and build-tools version for flutter create. (#8914)"
This reverts commit deb71cc6dcf45297ab4fb6e6ccf3d14fb05be9ab.