Upgrade gradle for flutter tool to 7.3.0 by @GaryQian in https://github.com/flutter/flutter/pull/114023

[macOS] Flavors project throws no flavor specified for creating a project. by @a-wallen in https://github.com/flutter/flutter/pull/113979

Check for watch companion in build settings by @vashworth in https://github.com/flutter/flutter/pull/113956

Revert “Check for watch companion in build settings” by @jmagman in https://github.com/flutter/flutter/pull/114035

Don’t specify libraries-spec argument if we are passing a platform dill. by @eyebrowsoffire in https://github.com/flutter/flutter/pull/114045