Implement AESCryptoModule Java compatibility class

Summary: This differential implements AES Crypto Module class that brings our AES crypto functionality tom pure native Android code.

Test Plan:

1. Apply those changes to CommNotificationsHandler: https://gist.github.com/marcinwasowicz/b427cf57b0d103470cd8570085954403 (literally copy paste)
2. Send notification to running Android app.
3. Examine logs in adb log cat

Reviewers: bartek

Reviewed By: bartek

Subscribers: ashoat, tomek

Differential Revision: https://phab.comm.dev/D8425