For #24107 - Use Layer1 for tab tray list item background color

app/src/main/java/org/mozilla/fenix/tabstray/browser/BrowserTabViewHolder.kt

@@ -104,7 +104,7 @@ sealed class BrowserTabViewHolder(itemView: View) : RecyclerView.ViewHolder(item
             val color = if (showAsSelected) {
                 R.color.fx_mobile_layer_color_accent_opaque
             } else {
-                R.color.tab_tray_item_background_normal_theme
+                R.color.fx_mobile_layer_color_1
             }
             itemView.setBackgroundColor(
                 ContextCompat.getColor(

app/src/main/res/values-night/colors.xml

@@ -140,9 +140,6 @@
     <color name="search_suggestion_indicator_icon_color_normal_theme">@color/photonGreen60</color>
     <color name="search_suggestion_indicator_icon_bookmark_color_normal_theme">@color/photonBlue40</color>
 
-    <!-- Tab tray -->
-    <color name="tab_tray_item_background_normal_theme">@color/photonDarkGrey80</color>
-
     <!-- Reader View colors -->
     <color name="mozac_feature_readerview_text_color">@color/fx_mobile_text_color_primary</color>
 

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

@@ -279,9 +279,6 @@
     <color name="search_suggestion_indicator_icon_color_normal_theme">@color/photonGreen70</color>
     <color name="search_suggestion_indicator_icon_bookmark_color_normal_theme">@color/photonBlue50</color>
 
-    <!-- Tab tray -->
-    <color name="tab_tray_item_background_normal_theme">@color/photonLightGrey10</color>
-
     <!-- Bookmark buttons -->
     <color name="bookmark_favicon_background">#DFDFE3</color>