Lockscreen: See through (2/2)

Add the ability to see through lockscreen.
Adapted to kitkat from jellybean by @BigBrother1984

Signed-off-by: D4rKn3sSyS <jesdga95@gmail.com>
Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>

PS2:

* Indenting and fix of the LOCKSCREEN_SEE_THROUGH variable check.

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>

PS3:

* Add see through checkbox to security_settings_chooser.xml, reflects the security_settings_lockscreen.xml.

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>

PS4:

* Made the option available with every lock mode (PIN, Password etc.) cause it works with every mode now.
* Update description with better one.

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>

PS5:

* Make description more like aosp strings.

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>

Change-Id: Ife993ffe0833be98fe582146fc071f339445bbc5
Cleanup for commit f4a421a

* Fix brace style
* Change contentResolver
* Fix string key names and string language

Signed-off-by: Evan Anderson <evan1124@gmail.com>

PS3:

* Gerrit history changed, fixed conflicts for merging it.

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>

Change-Id: I82d90a54fbfe5bdc48d2ea32eebd671e0303b6f9
Call ParanoidOTA on system updates check

Change-Id: Ic4332fb223ef24b28a26b183a7e6b326a5bbb78c

Conflicts:

	src/com/android/settings/DeviceInfoSettings.java
zh-rCN:Update translation

Derp

Change-Id: I7241db27b515368711d1eb2fc1e85aab762319cc