Status Widget #429

[Anton-V-K]

Draft implementation of the status widget (#429). The base code was generated with Android Studio 2020.3.1. Testing:

• [ ] Android 4.1
• [ ] Android 4.4
• [ ] Android 5.0
• [x] Android 6.0 (Samsung Galaxy S6, 768x1280, Genymotion)
• [x] Android 7.0 (Pixel 2, 1080x1920, AVD)
• [x] Android 8.1 (Samsung Galaxy S8, 1440x2960, Genymotion)
• [x] Android 9.0 (Amazon Fire HD 10, 1920x1200, Genymotion)
• [x] Android 9.0 (Oukitel Y4800, 1080x2340)
• [ ] Android 10.0
• [ ] Android 11.0
• [ ] Android 12.0

[Anton-V-K]

There is another commit https://github.com/traccar/traccar-client-android/commit/9360ed26ff9d8a7dfe9c65d01b146445e48a0d66 with the subsequent changes, which isn't picked up by this pull request, so I will create another one - refer to #431