Frameworks: simplify custom lockscreen background code

- remove observer for transparency and handle it better
- add multisuser handles
- smaller fixes and code cleanup
- simpfliy custom background handling and change to our needs (thanks Danish)

Change-Id: Idf0bbb7bf9e132a3a68d567e3863cce1b6d99742
Signed-off-by: scott <scott@ubuntu.com>

Conflicts:
	policy/src/com/android/internal/policy/impl/keyguard/KeyguardHostView.java
	policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewManager.java
Frameworks Base: Mock SMS (1/4)

This change brings the possibility of simulate the reception of SMS on real devices.
This change includes the setting and security permission.

Ported from http://review.cyanogenmod.org/#/c/23017

Patchset 2: Rebased

Change-Id: I535d5e69fbd9d612f7ed1a635032be7caefeda04
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
Signed-off-by: scott <scott@ubuntu.com>

Conflicts:
	core/res/res/values/cm_strings.xml
Keyguard: Set WIDGET_CATEGORY_KEYGUARD when AppWidgetHostView is created

Allows the default lockscreen widget to inherit the keyguard widget
host category.  Without this, only widgets added through
KeyguardActivityLauncher are assigned the correct
OPTION_APPWIDGET_HOST_CATEGORY.

Change-Id: Ic97818d85ca5f00da0ce43bb36006d66a6935363
MAP: Add support for Connection ID

This patch adds support for connection identifier used while
sending put requests to MNS.

Change-Id: I016940d2ca023fc7d2e3da1c63e338e1528be147
CRs-Fixed: 518395
Signed-off-by: scott <scott@ubuntu.com>

Conflicts:
	obex/javax/obex/HeaderSet.java