Instruction for upgrading the Onegini Android SDK to version 9.2

Third-party libraries were updated

A couple of third-party libraries were updated, if you provide the SDK as an aar archive please update the dependencies in your project:

• Firebase-messaging library was updated to the latest version 17.3.1: com.google.firebase:firebase-messaging:17.3.1
• OkHttp library was updated to the latest version 3.11.0:

  com.squareup.okhttp3:okhttp:3.11.0
  com.squareup.okhttp3:okhttp-urlconnection:3.11.0
  com.squareup.okhttp3:logging-interceptor:3.11.0
  

• RxJava library was updated the the latest version:

  io.reactivex.rxjava2:rxandroid:2.1.0
  io.reactivex.rxjava2:rxjava:2.2.2