Enable use of aws-lc-rs instead of ring #4706

Job	Run time
msrv	57s
lint	23s
features (ubuntu-latest)	11s
audit	19s
features (macos-latest)	16s
test (ubuntu-latest, stable)	1m 25s
test-android (x86_64-linux-android, x86_64, 26)	4m 11s
test (ubuntu-latest, beta)	1m 10s
features (windows-latest)	22s
test-android (i686-linux-android, x86, 26)	4m 52s
test (macos-latest, stable)	1m 6s
test-aws-lc-rs	1m 33s
test (windows-latest, stable)	4m 11s
test on freebsd	4m 28s
	25m 24s

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