android: Adjustments to home option card

Several spacing/color adjustments provided by Flam

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

@@ -6,9 +6,10 @@
     android:id="@+id/option_card"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:layout_marginVertical="8dp"
+    android:layout_marginVertical="12dp"
     android:layout_marginHorizontal="16dp"
     android:background="?attr/selectableItemBackground"
+    android:backgroundTint="?attr/colorSurfaceVariant"
     android:clickable="true"
     android:focusable="true">
 
@@ -20,14 +21,15 @@
             android:id="@+id/option_icon"
             android:layout_width="24dp"
             android:layout_height="24dp"
-            android:layout_marginStart="28dp"
+            android:layout_marginStart="24dp"
             android:layout_gravity="center_vertical"
-            app:tint="?attr/colorPrimary" />
+            app:tint="?attr/colorOnSurface" />
 
         <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:layout_margin="16dp"
+            android:layout_marginVertical="10dp"
+            android:layout_marginHorizontal="20dp"
             android:orientation="vertical">
 
             <com.google.android.material.textview.MaterialTextView
@@ -36,6 +38,8 @@
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:textAlignment="viewStart"
+                android:textStyle="bold"
+                android:textSize="16sp"
                 tools:text="@string/install_prod_keys" />
 
             <com.google.android.material.textview.MaterialTextView
@@ -44,6 +48,8 @@
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:textAlignment="viewStart"
+                android:textSize="14sp"
+                android:layout_marginTop="5dp"
                 tools:text="@string/install_prod_keys_description" />
 
         </LinearLayout>