Updated "auto-save" and "organize imports" settings.

Applied following cleanups:
- Convert control statement bodies to block
- Add final modifier to private fields
- Remove unused imports
- Organize imports
- Remove trailing white spaces on all lines

Change-Id: I680b5375a8ef4ab116c15d7a9fbb990f41dde5cb
Signed-off-by: Andrey Loskutov <loskutov@gmx.de>