Fix NPE in Privacy Guard Manager

On tablets such as manta a NPE occurs.  To reproduce go into PGM, press
the back button one time, then go back into PGM.

Remove privacy guard fragment in onDestroyView

Change-Id: I61cebe273fa6fd514f18c86894acd176701148f6

Check if fragment transaction is empty before attempting to remove it

Change-Id: I08591c89559d33fee30ac2934fdbcc30637147da

PrivacyGuard fragment fix - change from empty check to isDestroyed check

Change-Id: I52fe44b7446cd16793df6ac9cdbe31e2ddd70210
Signed-off-by: Paul Beeler <sparksco@gmail.com>
Clear recents side switcher [1/2]

Signed-off-by: Andros Rosa <andros2011@gmail.com>

Conflicts:
	res/values/arrays.xml
	res/values/strings.xml
	res/xml/interface_settings.xml
	src/com/android/settings/carbon/InterfaceSettings.java
Recents RAM circle [2/2]

Signed-off-by: Andros Rosa <andros2011@gmail.com>

Conflicts:
	res/values/strings.xml
	res/xml/interface_settings.xml
	src/com/android/settings/carbon/InterfaceSettings.java
Revert Recents RAM Cirle Settings