Release 8.2.0

[mshafrir-stripe]

Changelog

• Add support for Android 28 [Add support for Android 28 #675]
  • Update Android SDK Build Tools to 28.0.3
  • Update Android Gradle plugin to 3.2.1
  • Update compileSdkVersion and targetSdkVersion to 28
  • Update Android Support Library to 28.0.0
• Add ability to set card number and validate on CardMultilineWidget [Add ability to set card number and validate it #671]
• Add support for iDeal Source with connected account [iDeal Source with connected account #537]
• Add support for Portuguese [Add support for Portuguese #669]
• Add ability to cancel callbacks without destroying CustomerSession instance [Method to only cancel async calls without destroying CustomerSessions instance. #624]
• Improve accessibility on card input fields [Set correct android:imeOptions on card input fields #673]
• Fix crash in ShippingMethodView on API 16 [Fix crash in ShippingMethodView on API 16 #678]