Forward port Quiet hours

(2) Forward port Quiet hours

to slim

PatchSet2
- now correct....sorry

Patchset 3
- rebased
- whitespace cleanup

Change-Id: I5b880e8353cb3171c14d14501877c6b55d384a6d

Conflicts:
	AndroidManifest.xml
	res/values/strings.xml

rm slim

clean up