Center currency code in selector.

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

@@ -27,6 +27,7 @@
         android:layout_height="wrap_content"
         android:background="@drawable/circled_rectangle_outline"
         android:drawablePadding="8dp"
+        android:gravity="center"
         android:minHeight="32dp"
         android:padding="12dp"
         app:drawableEndCompat="@drawable/ic_chevron_down_20"