android: Use elevated card style for home setting card

src/android/app/src/main/res/layout/card_home_option.xml

@@ -2,16 +2,16 @@
 <com.google.android.material.card.MaterialCardView xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
-    style="?attr/materialCardViewFilledStyle"
+    style="?attr/materialCardViewElevatedStyle"
     android:id="@+id/option_card"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:layout_marginBottom="24dp"
     android:layout_marginHorizontal="12dp"
     android:background="?attr/selectableItemBackground"
-    android:backgroundTint="?attr/colorSurfaceVariant"
     android:clickable="true"
-    android:focusable="true">
+    android:focusable="true"
+    app:cardElevation="4dp">
 
     <LinearLayout
         android:id="@+id/option_layout"