Expose various APIs necessary for certificate selection logic #792

Job	Run time
clippy	1m 31s
Cross build from macOS to Linux (x86_64-unknown-linux-gnu)	1m 48s
Testing pulling llvm (x86_64-unknown-linux-gnu)	42s
Cross build from macOS to Linux (FIPS) (x86_64-unknown-linux-gnu)	29s
rustfmt	26s
Test features	6m 42s
Test (stable)	2m 11s
Test FIPS integration	2m 39s
Test (arm-android)	2m 11s
Test (arm64-android)	2m 3s
Test (i686-android)	2m 15s
Test (x86_64-android)	1m 59s
Test (aarch64-ios)	2m 18s
Test (aarch64-ios-sim)	2m 18s
Test (x86_64-ios)	2m 22s
Test (i686-linux)	2m 19s
Test (arm-linux)	2m 40s
Test (aarch64-linux)	2m 32s
Test (arm64-macos)	2m 10s
Test (x86_64-macos)	3m 48s
Test (x86_64-mingw)	5m 17s
Test (i686-msvc)	5m 58s
Test (x86_64-msvc)	5m 35s
	1h 2m 13s

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