Frameworks: privacy guard fix possible NPE

If the user flash a data app over recovery on clean flash
(like a lot themed apps or gapps packages are doing)
the user will get into a bootloop because of an NPE
due an unknown state of the user due that
installedUser == null

To fix it
Check if installUser exists if yes then
call the provider settings value for the current
user

PatchSet 2+3: message update
	      fix for real now

Change-Id: Ie5f94a0d0a11ae24fdfdc8372c0433b26793b66e
Send out USER_PRESENT broadcast on screen on if lockscreen is disabled.

This makes sure to turn off the notification LED on screen on when the
lockscreen is disabled by profile or e.g. by lockscreen toggle tile.

Change-Id: I0f6a5f9a021abd2799c22c744ab1180cee027409
Delay closing the notification area after swiping a little closer.

Use the same value as when removing all notifications.

Change-Id: Id11a48bc47487fd7763503dcbc769d9dbf5ad16a
When DPM is updated while lock screen is inhibited, don't
unconditionally enable lock screen.

Change-Id: Iab2af06eb8e41fbcfc6adfbeb5b42a9bbf446fe9
Add option to hide music controls in lockscreen.

JIRA:CYAN-1566
Change-Id: Iae3dd9914b1685c6bf1e39e421372ce0bdfb93cc
Don't consider input restricted when the lockscreen is disabled by an
app.

Fixes the secure lockscreen occasionally appearing when disabling the
lockscreen via tile.

Change-Id: I078584d0235c1cc958f89ce12ddf3cc1117a5687