SystemUI: Fix KeyguardSliceView layout

Before: https://imgur.com/a/wIwyMJS
After: https://imgur.com/a/dJPVMxS

Change-Id: Ib5fb2e3b9c0f3948bc3e88c2333df816bde265f8
diff --git a/packages/SystemUI/res-keyguard/layout/keyguard_slice_view.xml b/packages/SystemUI/res-keyguard/layout/keyguard_slice_view.xml
index 7c5dbc2..6465754 100644
--- a/packages/SystemUI/res-keyguard/layout/keyguard_slice_view.xml
+++ b/packages/SystemUI/res-keyguard/layout/keyguard_slice_view.xml
@@ -38,7 +38,7 @@
               android:id="@+id/row"
               android:layout_width="match_parent"
               android:layout_height="wrap_content"
-              android:orientation="horizontal"
+              android:orientation="vertical"
               android:gravity="start"
     />
 </com.android.keyguard.KeyguardSliceView>