Fix fgs_footer layout params

Fix it so that the xml layout shows correctly inside QSPanel. Modify it
when the NEW_FOOTER flag is on in FooterActionsController. Eventually
all this will be set directly in xml when the flag is gone.

Test: manual
Fixes: 21868291
Change-Id: Ide99b51c79967894429342352ccf93a37126b6b3

packages/SystemUI/res-keyguard/layout/fgs_footer.xml

@@ -16,9 +16,8 @@
 -->
 <FrameLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="0dp"
+    android:layout_width="match_parent"
     android:layout_height="@dimen/qs_security_footer_single_line_height"
-    android:layout_weight="1"
     android:gravity="center"
     android:clickable="true"
     android:visibility="gone">

packages/SystemUI/src/com/android/systemui/qs/FooterActionsController.kt

@@ -191,6 +191,10 @@ internal class FooterActionsController @Inject constructor(
             reformatForNewFooter(securityFooter)
             val fgsFooter = fgsManagerFooterController.view
             securityFootersContainer?.addView(fgsFooter)
+            (fgsFooter.layoutParams as LinearLayout.LayoutParams).apply {
+                width = 0
+                weight = 1f
+            }
 
             val visibilityListener =
                 VisibilityChangedDispatcher.OnVisibilityChangedListener { visibility ->