For #19653 - Address 19643 PR comments

Rename handleAddCreditCard to handleAddCreditCardClicked
Rename onClickAddCreditCard to onAddCreditCardClick
Format layout_add_credit_card.xml

app/src/main/java/org/mozilla/fenix/settings/creditcards/controller/CreditCardsManagementController.kt

@@ -23,9 +23,9 @@ interface CreditCardsManagementController {
     fun handleCreditCardClicked(creditCard: CreditCard)
 
     /**
-     * @see [CreditCardsManagementInteractor.onClickAddCreditCard]
+     * @see [CreditCardsManagementInteractor.onAddCreditCardClick]
      */
-    fun handleAddCreditCard()
+    fun handleAddCreditCardClicked()
 }
 
 /**
@@ -39,7 +39,7 @@ class DefaultCreditCardsManagementController(
         navigateToCreditCardEditor(creditCard)
     }
 
-    override fun handleAddCreditCard() {
+    override fun handleAddCreditCardClicked() {
         navigateToCreditCardEditor()
     }
 

app/src/main/java/org/mozilla/fenix/settings/creditcards/interactor/CreditCardsManagementInteractor.kt

@@ -24,7 +24,7 @@ interface CreditCardsManagementInteractor {
      * Navigates to the credit card editor to add a new credit card. Called when a user
      * taps on 'Add credit card' button.
      */
-    fun onClickAddCreditCard()
+    fun onAddCreditCardClick()
 }
 
 /**
@@ -41,7 +41,7 @@ class DefaultCreditCardsManagementInteractor(
         controller.handleCreditCardClicked(creditCard)
     }
 
-    override fun onClickAddCreditCard() {
-        controller.handleAddCreditCard()
+    override fun onAddCreditCardClick() {
+        controller.handleAddCreditCardClicked()
     }
 }

app/src/main/java/org/mozilla/fenix/settings/creditcards/view/CreditCardsManagementView.kt

@@ -32,7 +32,7 @@ class CreditCardsManagementView(
             layoutManager = LinearLayoutManager(containerView.context)
         }
 
-        add_credit_card_button.setOnClickListener { interactor.onClickAddCreditCard() }
+        add_credit_card_button.setOnClickListener { interactor.onAddCreditCardClick() }
     }
 
     /**

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

@@ -1,4 +1,5 @@
-<?xml version="1.0" encoding="utf-8"?><!-- This Source Code Form is subject to the terms of the Mozilla Public
+<?xml version="1.0" encoding="utf-8"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
    - License, v. 2.0. If a copy of the MPL was not distributed with this
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
 <androidx.constraintlayout.widget.ConstraintLayout

app/src/test/java/org/mozilla/fenix/settings/creditcards/DefaultCreditCardsManagementControllerTest.kt

@@ -64,7 +64,7 @@ class DefaultCreditCardsManagementControllerTest {
 
     @Test
     fun handleAddCreditCardClicked() {
-        controller.handleAddCreditCard()
+        controller.handleAddCreditCardClicked()
 
         verify {
             navController.navigate(

app/src/test/java/org/mozilla/fenix/settings/creditcards/DefaultCreditCardsManagementInteractorTest.kt

@@ -32,7 +32,7 @@ class DefaultCreditCardsManagementInteractorTest {
 
     @Test
     fun onClickAddCreditCard() {
-        interactor.onClickAddCreditCard()
-        verify { controller.handleAddCreditCard() }
+        interactor.onAddCreditCardClick()
+        verify { controller.handleAddCreditCardClicked() }
     }
 }