[add] SystemUI russian lang
[add] DownloadProvider
[add] DownloadProvider russian lang from Liquid
[add] DownloadProviderUi
[chg] DownloadProviderUi russian lang from Liquid
Merge branch 'master' of github.com:rage-nsk/xt907_rus into rage-nsk-master
Merge branch 'rage-nsk-master'