Revert "framework: Privacy Guard"

Change-Id: I82ab85092e54c577a0817f3bedc85063c9a3054a

Conflicts:

	core/java/android/provider/Settings.java
	core/res/res/drawable-hdpi/stat_notify_privacy_guard.png
	core/res/res/drawable-mdpi/stat_notify_privacy_guard.png
	core/res/res/drawable-xhdpi/stat_notify_privacy_guard.png
	core/res/res/drawable-xxhdpi/stat_notify_privacy_guard.png
	core/res/res/values/symbols.xml
Privacy Guard : Reimplement backed by AppOps

Re-implements privacy guard to use appops.

Change-Id: I2b52e8cf0d6e126fb156f83df885b5551503cd9d

Conflicts:

	core/java/android/provider/Settings.java
Lockscreen: Use bold for hours and thin typeface for minutes.

Change-Id: I595793932e8115b8b6dd54b8e09e6bb7b6a0cdef
GlobalActions: Fix possible race condition when showing dialog.

Depending on the presence of a previous dialog, the newly generated one
gets either immediately displayed (no old dialog) or shortly delayed
(after dismissal of the existing one).
If a new show event happens (by rapid fire of the power key, for instance,
using a keyboard with fast-repeating events) during that delay, a new
dialog will be immediately displayed, and when the delayed show triggers
it'll conflict with it (and bring everything down).

This moves the creation of the new Dialog object to _before_ showing
it (delayed or not), instead of the show method itself, to ensure the
object isn't clobbered by competing/sequential calls to handleShow()

Change-Id: Ie733ae817646ba019a1ee66f01c7999c9d21d2f2