Uses Log.* for *(...) where *'s are equal

I don't know if you meant to do so, but all of the log messages that took a `Throwable` used `Log.e(...)` regardless of which `Timber` method was called, which means they were identical. If you did, you can disregard this (though also curious why you do it that way). Otherwise, here's a very simple patch that corrects that.