Cleanup some docs (includes/[a-d])

- Swap "$variable type" to "type $variable"
- Added missing types
- Fixed spacing inside docs
- Makes beginning of @param/@return/@var/@throws in capital
- Changed some types to match the more common spelling

Change-Id: I7b65fe04db431342cc58b469dc48f41a50c4e891
Merge "Cleanup some docs (includes/[a-d])"