Fixed depricated plugin issue.

[joblesspoet]

Description

In "PushInstanceIDListenerService" class Removed the deprecated FirebaseInstanceIdService class. And Implemented the FirebaseMessagingService changes.

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[craigmcnamara]

Thanks @joblesspoet. I was blocked by the error this pull request fixes. I made a fork, merged the patch and am running it in production now. It would be great to see this merged soon.

[etiennea]

This fixed my issue!

[joblesspoet]

This fixed my issue!

Good to hear that....

[tbowler]

@joblesspoet
Thanks for the fix. It saved me as well.
+1 on getting this merged soon!