Add support for the reflection service #33

Job	Run time
Soundness / Check generated code	31s
Cxx interop / Construct Cxx interop matrix	2s
Soundness / Swift license headers check	7s
Unit tests / Construct unit test matrix	3s
Soundness / Broken symlinks check	4s
Soundness / Documentation check	39s
Soundness / API breakage check	31s
Soundness / Format check	32s
Soundness / License headers check	2s
Soundness / Shell check	31s
Soundness / Unacceptable language check	3s
Soundness / YAML lint check	3s
Soundness / Python lint check	5s
Cxx interop / Cxx interop / Linux (6.0)	33s
Cxx interop / Cxx interop / Linux (nightly-6.0)	34s
Cxx interop / Cxx interop / Linux (nightly-main)	1m 34s
Unit tests / Unit tests / Linux (6.0)	31s
Unit tests / Unit tests / Linux (nightly-6.0)	29s
Unit tests / Unit tests / Linux (nightly-main)	1m 18s
	8m 12s

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