Update packaging and CI #277

Job	Run time
docs	32s
format	8s
cargo-ndk	4s
check	53s
cargo-mobile2	9s
build (stable, debug, armv7-linux-androideabi)	1m 6s
build (stable, debug, aarch64-linux-android)	57s
build (stable, debug, i686-linux-android)	1m 31s
build (stable, debug, x86_64-linux-android)	1m 25s
build (stable, release, armv7-linux-androideabi)	59s
build (stable, release, aarch64-linux-android)	1m 30s
build (stable, release, i686-linux-android)	1m 4s
build (stable, release, x86_64-linux-android)	1m 8s
build (nightly, debug, armv7-linux-androideabi)	1m 7s
build (nightly, debug, aarch64-linux-android)	1m 51s
build (nightly, debug, i686-linux-android)	1m 35s
build (nightly, debug, x86_64-linux-android)	1m 13s
build (nightly, release, armv7-linux-androideabi)	1m 13s
build (nightly, release, aarch64-linux-android)	1m 10s
build (nightly, release, i686-linux-android)	48s
build (nightly, release, x86_64-linux-android)	1m 33s
build-demo	10m 32s
update-bindings	14s
release	0s
publish	0s
	32m 42s

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