wlan: Modify sequence of events sent during DHCP phase.

Modify sequence of events sent to driver during DHCP phase, to
make sure WLAN can enter into power save only after DHCP is done.

Change-Id: Idf7ed8d6e1c011bd3b7af9f5ca9d4db46de55fb0
CRs-Fixed: 719573
base: display live wallpaper settings instead of wallpaper picker

If the livewallpaper service declares and supports a settings activity, display it
instead of the wallparper picker in runnings apps details settings activity
(settings button)

Change-Id: I8db800cec4151ee5e6edddcea7a1bb5fb0528816
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>