Add Flutter runtime inspector support #209

Job	Run time
Rust lint and unit tests	44s
Build integration artifacts	2m 5s
Packages and VS Code extension	31s
Client lint, build, and tests	30s
JS API simulator integration	10m 24s
CLI simulator integration	9m 50s
JS API simulator integration	4m 3s
Build integration artifacts	2m 5s
Client lint, build, and tests	30s
Packages and VS Code extension	31s
CLI simulator integration	9m 50s
Rust lint and unit tests	44s
	41m 47s

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