Add loadExtension()

Co-authored-by: paw <[email protected]>

SQLCipher for Android 4.7.2

SQLCipher for Android 4.7.1

SQLCipher for Android 4.7.0

SQLCipher for Android 4.6.1

SQLCipher for Android 4.6.0

SQLCipher for Android 4.5.7

Codebook for Android 4.5.6

Version 4.5.5

Version 4.5.4