gen_10.2.0
[android] Updated gradle to 5.1.1 and studio to 3.4.1
[strings] Remove unused strings: now cuisines tranlated from strings/type_strings.txt
[android] got rid of mwm migration UI and resource files for two component mwms
[android] Firebase SDK integration
[android] Implemented toRooms method (#13575)
[android] Advanced whatsnew for 10.2
[android] Fixed gitignore files after Firebase integration
[android] Configured donwloadable font 'roboto' via android studio https://developer.android.com/guide/topics/ui/look-and-feel/downloadable-fonts#via-android-studio
HOWTO updated
[android] Fixed crash in androidx(WorkManager)
[android] Fixed c++ style in android studio code style scheme
[android] Migration to material components
[android] Updated gradle wrapper.
[android] Gradle build tool integration and removing incompatible Eclipse support