Disable the automatic "pub get" if the project is using a third-party tool for linking dependencies. (#86177)

To specify the dill file that will be used to initialize the resident
compiler, instead of the default cached version.

Also, refactor internal code to do the same.

See https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo#avoid-double-negatives-in-apis

[flutter_tools] generate empty plugin registrants for winuwp and fix local engine for winuwp_ (#79827)

[flutter_tools] replace MockFlutterVersion usage with fake where possible, move from context (#77390)

This reverts commit 8b6baae4.

Our current top crasher is an unclear error when ProcessManager fails to resolve an executable path. To fix this, we'd like to being adjusting the process resolution logic and adding more instrumentation to track failures. In order to begin the process, the ProcessManager has been folded back into the flutter tool

This reverts commit 547ed88a.