[android] Fixed look of card backgrounds on discovery screen for night theme. It was broken after material components theme integration

android/res/layout/catalog_promo_item_card.xml

@@ -9,7 +9,8 @@
   android:clipToPadding="false">
   <androidx.cardview.widget.CardView
     android:layout_width="wrap_content"
-    android:layout_height="wrap_content">
+    android:layout_height="wrap_content"
+    app:cardBackgroundColor="?cardBackground">
     <LinearLayout
       android:foreground="?clickableBackground"
       android:orientation="vertical"

android/res/layout/item_discovery_expert.xml

@@ -4,11 +4,13 @@
   xmlns:tools="http://schemas.android.com/tools"
   android:layout_height="wrap_content"
   android:layout_width="wrap_content"
+  xmlns:app="http://schemas.android.com/apk/res-auto"
   android:padding="@dimen/margin_quarter"
   android:clipToPadding="false">
   <androidx.cardview.widget.CardView
     android:layout_width="wrap_content"
-    android:layout_height="wrap_content">
+    android:layout_height="wrap_content"
+    app:cardBackgroundColor="?cardBackground">
     <LinearLayout
       android:foreground="?clickableBackground"
       android:orientation="vertical"

android/res/layout/item_discovery_expert_error.xml

@@ -3,11 +3,13 @@
   xmlns:android="http://schemas.android.com/apk/res/android"
   android:layout_width="match_parent"
   android:layout_height="wrap_content"
+  xmlns:app="http://schemas.android.com/apk/res-auto"
   android:padding="@dimen/margin_quarter"
   android:clipToPadding="false">
   <androidx.cardview.widget.CardView
     android:layout_width="match_parent"
-    android:layout_height="wrap_content">
+    android:layout_height="wrap_content"
+    app:cardBackgroundColor="?cardBackground">
     <LinearLayout
       android:layout_width="match_parent"
       android:layout_height="wrap_content"

android/res/layout/item_discovery_expert_loading.xml

@@ -3,11 +3,13 @@
   xmlns:android="http://schemas.android.com/apk/res/android"
   android:layout_width="match_parent"
   android:layout_height="wrap_content"
+  xmlns:app="http://schemas.android.com/apk/res-auto"
   android:padding="@dimen/margin_quarter"
   android:clipToPadding="false">
   <androidx.cardview.widget.CardView
     android:layout_width="match_parent"
-    android:layout_height="wrap_content">
+    android:layout_height="wrap_content"
+    app:cardBackgroundColor="?cardBackground">
     <LinearLayout
       android:layout_width="match_parent"
       android:layout_height="wrap_content"

android/res/layout/item_discovery_hotel_product.xml

@@ -4,11 +4,13 @@
   xmlns:tools="http://schemas.android.com/tools"
   android:layout_height="wrap_content"
   android:layout_width="wrap_content"
+  xmlns:app="http://schemas.android.com/apk/res-auto"
   android:padding="@dimen/margin_quarter"
   android:clipToPadding="false">
   <androidx.cardview.widget.CardView
     android:layout_width="wrap_content"
-    android:layout_height="wrap_content">
+    android:layout_height="wrap_content"
+    app:cardBackgroundColor="?cardBackground">
     <LinearLayout
       android:layout_width="@dimen/gallery_product_width"
       android:layout_height="match_parent"

android/res/layout/item_discovery_search.xml

@@ -9,7 +9,8 @@
   android:clipToPadding="false">
   <androidx.cardview.widget.CardView
     android:layout_width="wrap_content"
-    android:layout_height="wrap_content">
+    android:layout_height="wrap_content"
+    app:cardBackgroundColor="?cardBackground">
     <LinearLayout
       android:layout_width="@dimen/gallery_product_width"
       android:layout_height="match_parent"

android/res/layout/item_discovery_simple_error.xml

@@ -3,11 +3,13 @@
   xmlns:android="http://schemas.android.com/apk/res/android"
   android:layout_width="match_parent"
   android:layout_height="wrap_content"
+  xmlns:app="http://schemas.android.com/apk/res-auto"
   android:padding="@dimen/margin_quarter"
   android:clipToPadding="false">
   <androidx.cardview.widget.CardView
     android:layout_width="match_parent"
-    android:layout_height="wrap_content">
+    android:layout_height="wrap_content"
+    app:cardBackgroundColor="?cardBackground">
     <LinearLayout
       android:layout_width="match_parent"
       android:layout_height="wrap_content"

android/res/layout/item_discovery_simple_loading.xml

@@ -3,11 +3,13 @@
   xmlns:android="http://schemas.android.com/apk/res/android"
   android:layout_width="match_parent"
   android:layout_height="wrap_content"
+  xmlns:app="http://schemas.android.com/apk/res-auto"
   android:padding="@dimen/margin_quarter"
   android:clipToPadding="false">
   <androidx.cardview.widget.CardView
     android:layout_width="match_parent"
-    android:layout_height="wrap_content">
+    android:layout_height="wrap_content"
+    app:cardBackgroundColor="?cardBackground">
     <LinearLayout
       android:layout_width="match_parent"
       android:layout_height="wrap_content"