Fix issue 673 xamarin.google.android.play.core cannot implement i install state updated listener

[moljac]

Google Play Services Version (eg: 8.4.0):

Does this change any of the generated binding API's?

Yes. Parameter type change.

Describe your contribution

Added metadata to fix issue

https://github.com/xamarin/GooglePlayServicesComponents/issues/673

more info:

• https://github.com/PatGet/XamarinPlayCoreUpdater/pull/20
• https://github.com/xamarin/GooglePlayServicesComponents/issues/221