LN: Some fixes & cleanup

- Fix bug that the notification is launched when a button on it is pressed
- Show new notifications first

Change-Id: I87db92a7ee4eb9329ec1ec69008e612a619d5c91
LN: Fix FC on launching hangouts notification

Change-Id: Idf411bd2b4995f0b53767e99597efd98ce0596b3
LN: beautify

Change-Id: I695846412f2b8c910f8a5cf48da2bf6ac42e124e
Bring inline with AOSPAL

Change-Id: I107a7ae97492d26bd54a8a21bed65c9adbfa916c
Fix FC in lockscreen notification

http://hastebin.com/usaqoquqid.avrasm

Change-Id: Ia3e40883b364044e43bb08f60daefe272c2b89e3
Merge changes Ia3e40883,I107a7ae9,I69584641,Idf411bd2,I87db92a7 into pac-4.4

* changes:
  Fix FC in lockscreen notification
  Bring inline with AOSPAL
  LN: beautify
  LN: Fix FC on launching hangouts notification
  LN: Some fixes & cleanup