Add mandate text to payment option (#2035)

* Add mandate text to payment option

* API review suggestions

* Check if empty too

* Update changelog

* ci: trigger workflows

* Add Android unit test

* Reimplement Android HTML generation

Author: porter-stripe

CHANGELOG.md

@@ -4,7 +4,8 @@
 
 **Features**
 - [#1956](https://github.com/stripe/stripe-react-native/pull/1956) Added support for the Billie payment method
-- Added `image` to `EmbeddedPaymentElement.PaymentOptionDisplayData`
+- Added `image` and `mandateHTML` to `EmbeddedPaymentElement.PaymentOptionDisplayData`
+- Added `embeddedViewDisplaysMandateText` to `EmbeddedPaymentElementConfiguration`
 
 **Changes**
 - Klarna: Made `billingDetails.email` and `billingDetails.address.country` optional when creating Klarna payment methods. See Stripe docs: [Migrate Klarna from Sources – Field mapping reference](https://docs.stripe.com/payments/klarna/migrate) ("Not required when using the Payment Element. It’s collected automatically.").