Show status bar header in SHADE_LOCKED

Makes SHADE_LOCKED more consistent with SHADE in order to avoid
confusion about this special state. Add animations between these
states for smooth transitions.

Bug: 17446409
Change-Id: I410f0ac255abd0f453b77f42c948e814c5dfd838
diff --git a/packages/SystemUI/res/layout/keyguard_bottom_area.xml b/packages/SystemUI/res/layout/keyguard_bottom_area.xml
index 4cf4f52d..01b2713 100644
--- a/packages/SystemUI/res/layout/keyguard_bottom_area.xml
+++ b/packages/SystemUI/res/layout/keyguard_bottom_area.xml
@@ -21,7 +21,8 @@
     android:id="@+id/keyguard_bottom_area"
     android:layout_height="match_parent"
     android:layout_width="match_parent"
-    >
+    android:outlineProvider="none"
+    android:elevation="5dp" > <!-- Put it above the status bar header -->
 
     <com.android.systemui.statusbar.phone.KeyguardIndicationTextView
         android:id="@+id/keyguard_indication_text"