[DF-5352] android-specific code surrounded by ifdef
[DF-5048] Fix minor leaks.
Merge branch 'to_master' of https://github.com/dava/dava.framework into to_master
[DF-5353] Fix visible native text fields on Android
Merge branch 'to_master' of https://github.com/dava/dava.framework into to_master
Merge branch 'to_master' into development