Translations refinement
Translations refinement

Change-Id: I9928978e188599c852f675453f59ce624bc9602d

samtstern/FirebaseUI-Android,firebase/FirebaseUI-Android,JosefHruska/FirebaseUI-Android,firebase/FirebaseUI-Android,SUPERCILEX/FirebaseUI-Android,samtstern/FirebaseUI-Android,SUPERCILEX/FirebaseUI-Android,SUPERCILEX/FirebaseUI-Android,JosefHruska/FirebaseUI-Android,firebase/FirebaseUI-Android,SUPERCILEX/FirebaseUI-Android,firebase/FirebaseUI-Android,samtstern/FirebaseUI-Android