Pontoon: Update Portuguese (Portugal) (pt-PT) localization of Firefox…

… for Android

Co-authored-by: Translation Memory <pontoon-tm@example.com>
Co-authored-by: Google Translate <pontoon-gt@example.com>
Co-authored-by: Cláudio Esperança <cesperanc@gmail.com>

mozilla-mobile/fenix/app/src/main/res/values-pt-rPT/strings.xml

@@ -621,7 +621,7 @@
     <string name="onboarding_customize_toolbar_bottom_option">Inferior</string>
 
     <!-- Onboarding toolbar selection card content description for the main image. -->
-    <string name="onboarding_customize_toolbar_main_image_content_description">Imagem de cabeçalho grande da vista de seleção da barra de ferramentas a mostrar uma barra de ferramentas mostrada.</string>
+    <string name="onboarding_customize_toolbar_main_image_content_description">Imagem de cabeçalho grande da vista de seleção da barra de ferramentas, mostrando uma barra de ferramentas ilustrada.</string>
     <!-- Onboarding toolbar selection card content description for the toolbar placement image. %1$s is placeholder for either 'top' or 'bottom'. -->
     <string name="onboarding_customize_toolbar_placement_content_description" moz:removedIn="135" tools:ignore="UnusedResources">Imagem da barra de ferramentas do %1$s</string>
 
@@ -636,15 +636,15 @@
     <!-- Onboarding label for 'Save and start browsing' button, used by Nimbus experiments. -->
     <string name="onboarding_save_and_start_button">Guardar e começar a navegar</string>
     <!-- Onboarding theme selection card label for 'skip' button, used by Nimbus experiments. -->
-    <string name="onboarding_customize_theme_skip_button">Ignorar</string>
+    <string name="onboarding_customize_theme_skip_button">Saltar</string>
     <!-- Onboarding theme selection card label for 'dark' option, used by Nimbus experiments. -->
     <string name="onboarding_customize_theme_dark_option">Escuro</string>
     <!-- Onboarding theme selection card label for 'light' option, used by Nimbus experiments. -->
     <string name="onboarding_customize_theme_light_option">Claro</string>
     <!-- Onboarding theme selection card label for 'System auto' option, used by Nimbus experiments. -->
-    <string name="onboarding_customize_theme_system_option">Sistema automático</string>
+    <string name="onboarding_customize_theme_system_option">Automático com base no sistema</string>
     <!-- Onboarding theme selection card content description for the main image. -->
-    <string name="onboarding_customize_theme_main_image_content_description">Imagem de cabeçalho grande da vista de seleção de tema a mostrar ferramentas mostradas de artista e de construção.</string>
+    <string name="onboarding_customize_theme_main_image_content_description">Imagem de cabeçalho grande da vista de seleção de tema, mostrando uma ilustração de ferramentas de artista e de construção.</string>
     <!-- Onboarding theme selection card content description for the theme selection image. %1$s is placeholder for either 'system', 'light' or 'dark'. -->
     <string name="onboarding_customize_theme_content_description">Imagem do tema %1$s</string>