Fix 6641800: Remove unnecessary padding below status view

This fixes a bug on a 600dp device where the owner info text
was clipped.

Change-Id: I5293b6c1f508307dc55b23d6e2f219e9fa735693

Author: Jim Miller

core/res/res/layout-sw600dp/keyguard_screen_unlock_portrait.xml

@@ -41,7 +41,6 @@
                 android:layout_height="wrap_content"
                 android:layout_marginLeft="50dip"
                 android:layout_marginTop="50dip"
-                android:layout_marginBottom="100dip"
                 android:layout_marginRight="64dip"
                 android:layout_alignParentTop="true"
                 android:layout_alignParentLeft="true"/>