Fix: resolve black screen caused by lockscreen blur revert

Change-Id: Iaea865bbbcd81caf699b6c282da84816f7a4378a
Fix: Ensure lockscreen see through setting persists after reboot

If see through was enabled and the device was rebooted,
the user had to toggle the setting off and on again to activate.

Change-Id: I726220a39ac61cf135e5c63a9dbb8def7ed6fa2e
Fix: Correct possible null pointer when enabling see through lockscreen

PS2: Remove unused variable

Change-Id: I28884cb18964b273539261b8c0f72cedf2e60666

Conflicts:
	packages/Keyguard/src/com/android/keyguard/KeyguardViewManager.java
Fix: Lockscreen Blur Rotation

Credits to David L.-W (David96)
https://github.com/AOSPAL/android_frameworks_base/commit/f80b748

Modifications made to address the issues noted in original commit

Change-Id: I721e7f8554433b903209da5587ac1dfcd83420cd

Conflicts:
	packages/Keyguard/src/com/android/keyguard/KeyguardViewManager.java
Quicksettings: Sleep tile.

* Click goes to sleep.
* Long click opens display settings.

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>
Change-Id: I3eeae514535e9edff72f233e18d8f8dfaadf3517

Conflicts:
	packages/SystemUI/res/values/pa_strings.xml
	packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettings.java