[fenix] For https://github.com/mozilla-mobile/fenix/issues/16084 - Match elevation of Tab in Collection to header (https://github.com/mozilla-mobile/fenix/pull/16100)

app/src/main/java/org/mozilla/fenix/home/sessioncontrol/viewholders/TabInCollectionViewHolder.kt

@@ -43,6 +43,9 @@ class TabInCollectionViewHolder(
             )
         }
 
+        // This needs to match the elevation of the CollectionViewHolder for the shadow
+        view.elevation = view.resources.getDimension(R.dimen.home_collection_elevation)
+
         view.setOnClickListener {
             interactor.onCollectionOpenTabClicked(tab)
         }

app/src/main/res/layout/collection_home_list_row.xml

@@ -11,7 +11,7 @@
     android:background="@drawable/collection_home_list_row_background"
     android:clickable="true"
     android:clipToPadding="false"
-    android:elevation="5dp"
+    android:elevation="@dimen/home_collection_elevation"
     android:focusable="true"
     android:foreground="?android:attr/selectableItemBackground">
 

app/src/main/res/values/dimens.xml

@@ -91,6 +91,7 @@
 
     <!-- Home Fragment -->
     <dimen name="home_fragment_top_toolbar_header_margin">60dp</dimen>
+    <dimen name="home_collection_elevation">5dp</dimen>
 
     <!-- Browser Fragment -->
     <!--The size of the gap between the tab preview and content layout.-->