Refactor Android init methods for more flexibility #992

Job	Run time
Ktlint	1m 17s
Clippy (stable) (ubuntu-latest)	1m 25s
Clippy (stable) (macos-latest)	44s
Clippy (-Zbuild-std)	1m 12s
Clippy (MSRV) (ubuntu-latest)	1m 16s
Clippy (stable) (windows-latest)	1m 30s
Rustfmt	4s
Clippy (MSRV) (macos-latest)	1m 9s
Test (ubuntu-latest)	15s
Test (Android)	5m 14s
Test iOS (Catalyst)	23s
Test (macos-latest)	25s
Clippy (MSRV) (windows-latest)	1m 26s
Test (windows-latest)	1m 31s
Test (FreeBSD)	2m 6s
Verify Android artifacts	1m 45s
Check for documentation errors	10s
Check semver compatibility	19s
	22m 11s

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