Hide power menu from secure lockscreen (1/2)

- Use the same logic in our NavRing targets since crDroid allow power menu option through it

Special thanks to @cmorlok in this commit: https://github.com/omnirom/android_frameworks_base/commit/8f955b51a5f53d6b67cb1ec4fc34f07042766e0a and @Mahdi-Rom in this commit: https://github.com/Mahdi-Rom/android_frameworks_base/commit/c50cd9e53abbf571d090842fdb5b955e2c40a640

Change-Id: I9966f8282b4761a3ab154f63c8582a83a31dc5da

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/src/com/android/systemui/cm/ActionTarget.java
Force Expanded Notifications (1/2)
This will force expanded notifications for all apps that support
expanded notifications

Change-Id: I4b24026343ca92368fcdba713fb884cc220afaf0

Conflicts:
	core/java/android/provider/Settings.java
wifi: show devices behind a firewall that are connected to the  WiFi hotspot

* Clients that are behind a firewall, in particular Windows-PCs tend
to not respond to the request invoked by the isReached(val)-method.
Executing a ping instead and evaluating the outcome enables us to
bypass the firewall.

Change-Id: If857545c7a4d5fbc9d2dc919096a9c84e64d6877