Attach prebuilt libraries to GitHub releases #731

Job	Run time
android_emulator	5m 8s
fetch_prebuilts / Compile SQLite	5m 47s
Test tvos	2m 23s
Test watchos	2m 23s
Test ios	2m 17s
Test windows	2m 34s
Test macos	33s
Test ubuntu	2m 3s
	23m 8s

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