Keyguard: update correctly track title and info if screen turns on

AOSP issue - Force update both if screen turns on.

Change-Id: I3d3198534c3ccdaa0ad2f40a967cc092a7dc0a0c
Keyguard: don't try to fetch the badgeIcon if remoteClientPackage == null

Logcat shows....if client is lost there is no need to force an exception due that remoteClientPackage
in this case is null.

Change-Id: I80e612610f93c9d70c854b2fcb8fbf0c0d8f9e2a
PackageManager: Fix logic around upgrading text display

* This code has all threads writing into the integer keeping track of
  the number of packages at once.
* Make this integer an atomic one, preventing all threads from racing
  when updating it.

Change-Id: I727306f8ab20edb7ec2a955ca20e6de0146c7737
Go up-to-date with Floating Windows (Thanks OmniROM)

Signed-off-by: Chintan Shah <cgintan1998@gmail.com>