Chips container - Don't hard code the height of the chips container.

When the container was present, but empty, it was showing it's background.

Bug: 133783088
Change-Id: I97b65435d66e9ced7f5487dc50a00665794f8fcd
Tested: manual
diff --git a/quickstep/res/layout/task.xml b/quickstep/res/layout/task.xml
index ba4ea8b..1869188 100644
--- a/quickstep/res/layout/task.xml
+++ b/quickstep/res/layout/task.xml
@@ -44,7 +44,7 @@
         <FrameLayout
             android:id="@+id/proactive_suggest_container"
             android:layout_width="match_parent"
-            android:layout_height="48dp"
+            android:layout_height="wrap_content"
             android:gravity="center"
             android:visibility="gone"
             />