* Revert "use color.shadeXxx instead of color[Xxx] (#8932)"

This reverts commit 578ca0a2.

* Revert "add missing const keyword (#8931)"

This reverts commit fac2fac1.

* Revert "Make min/max fling velocity and min fling distance ScrollPhysics properties (#8928)"

This reverts commit dac80aac.

* Revert "Defer to operating system for whichAll (#8921)"

This reverts commit 14933de9.

* Revert "Update gradle wrapper and build-tools version for flutter create. (#8914)"

This reverts commit deb71cc6.