use older android ndk #19

Job	Run time
x86_64-apple-darwin - node@20	36m 38s
x86_64-pc-windows-msvc - node@20	42m 13s
i686-pc-windows-msvc - node@20	45m 2s
x86_64-unknown-linux-gnu - node@20	38m 0s
x86_64-unknown-linux-musl - node@20	38m 10s
aarch64-apple-darwin - node@20	37m 26s
aarch64-unknown-linux-gnu - node@20	30m 4s
aarch64-linux-android - node@20	23m 36s
aarch64-unknown-linux-musl - node@20	38m 0s
test-macos	1m 15s
Publish	2m 26s
	5h 32m 50s

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