Feature/mob 497 integrate backup and restore event

[FredericoSantinho]

What does this PR do?

Implement backup and restore events for rakam.

Database changed?

No

Where should the reviewer start?

• [ ] WalletEventSender.java

How should this be manually tested?

The flows are well described in ticket MOB-427 with the support of zeplin layouts. https://aptoide.atlassian.net/browse/MOB-427

What are the relevant tickets?

Tickets related to this pull-request: MOB-497

Questions:

Does this add new dependencies which need to be added? (Eg. new libs, new keys, etc.)

No

Code Review Checklist

• [ ] Architecture
• [ ] Documentation on public interfaces
• [ ] Database changed?
• [ ] If yes - Database migration?
• [ ] Remove comments & unused code & forgotten testing Logs
• [ ] Codestyle
• [ ] Functional QA tests pass