https://github.com/nitinverma/slf4j/commit/4d67b578fdc1cf77a0689f2efb0424f6c8479963

As Dex cant by design have duplicate class, there would never be a 'Binding Ambiguity'.

1. LoggerFactory.getLogger is mostly called via MainActivity. Which gives a black screen before the first activity loads.
2. This operation takes 200-600 Inclusive CPU Time as per DDMS.

This fix get Incl CPU Time to sub 10