chore(deps): Upgrade to `ndk 0.9` and fix thread-safety interactions #2490

Job	Run time
fmt check	9s
test_tao_macros	13s
tests (stable, windows, x86_64-pc-windows-msvc, windows-latest)	5m 20s
tests (stable, ubuntu, x86_64-unknown-linux-gnu, ubuntu-latest)	4m 5s
tests (stable, ubuntu-without-feat, x86_64-unknown-linux-gnu, ubuntu-latest, --no-default-features)	3m 57s
tests (stable, macos, x86_64-apple-darwin, macos-latest)	1m 45s
tests (stable, android, aarch64-linux-android, ubuntu-latest, apk --)	1m 18s
tests (stable, ios, aarch64-apple-ios, macos-latest)	59s
	17m 46s

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