Remove deprecated Ruby File.exists? in helper script by @jmagman in https://github.com/flutter/flutter/pull/109428

Update flutter.gradle AGP to 7.2.0 and bump default NDK version by @GaryQian in https://github.com/flutter/flutter/pull/109211

Introduce stubbed exclusive parameter to File.create-overridden method by @aam in https://github.com/flutter/flutter/pull/109646

[flutter_tools] Make flutter test -v print timing of different phases by @jensjoha in https://github.com/flutter/flutter/pull/108864

Generate syntax for plugin registration that works both with and without null safety. by @eyebrowsoffire in https://github.com/flutter/flutter/pull/109480