add hugo annotation debugging

See https://github.com/JakeWharton/hugo for library description. Basically, you can annotate any method with `@DebugLog` and get input/output/timing information for free in the logcat of debug builds (does not affect release builds).

includes some annotations on large methods that need asynchro-nizing/refactoring. Ideally we don't have anything running on the main thread that lasts longer than ~15ms (60fps + padding).