Vendored flatbuffers improvements #370

Job	Run time
identifiers / Build GitHub identifiers	17s
identifiers / Log resolved identifiers	4s
WebSocket Client Testing (All Combinations)	19s
WebSocket Server Testing (All Combinations)	18s
Consolidate WebSocket Reports	2m 12s
Verify WebSocket Conformance (100% Pass Required)	2m 13s
	5m 23s

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