Add support for Yandex Android keyboard

[QADavidCalvo]

Add support for Yandex Android keyboard

🔍️ Description

Added yandex to the available Android keyboards and the Xpaths needed to map the keys and suggestions.

🧐 Context

Only for Android devices (emulators and real devices)

⚠️ Side-effects / Shortcomings

The numbers layout is not mapped

✅ How this was tested ?

To map the keys run kebbie show_layout -K yandex
To evaluate the keyboard run kebbie evaluate -K yandex

🌱 Checklist

• Perform self-review of my own code
• Comment the code, particularly in hard-to-understand areas
• Update the documentation accordingly to the new code
• Lint / format the code
• Update existing tests / Add new tests
• Tests are passing locally