Clean up style issues in preparation to copying ArraySet
implementation to support library.
Fixed:
- Missing spaces around operators, casting
- Added curly braces around if statements that span multiple lines
- Renamed static variables to follow sFoo instead of mFoo
- Moved = to the previous line
Bug: 19109652
Change-Id: Id9a985723b158f51811b3cd796613d0e26fd7e61