If you have multiple build variant / flavour, you probably want to use different google-services.json depends on different build variant. The answer is yes, you can. Here is a stack-overflow answer that might help.

For detail, do something like following:

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|-- Project
	|-- app
		|-- src
			|-- production
				|-- google-services.json
			|-- staging
				|-- google-services.json
			|-- debug
				|-- google-services.json