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As part of enabling Google APIs or Firebase services in your Android application you may have to add the google-services plugin to your build.gradle file.

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cordova plugin add cordova-support-google-services --save

You also need to download google-services.json on Android and GoogleService-Info.plist on iOS from Firebase console and put them into the cordova project root folder. Then use <resource-file> to copy those files into appropriate folders:

<platform name="android">
    <resource-file src="google-services.json" target="app/google-services.json" />
    ...
</platform>
<platform name="ios">
    <resource-file src="GoogleService-Info.plist" />
    ...
</platform>

Note: if you use cordova-android below version 7 specify target="google-services.json" instead.

It looks like you have another dependency on a google play services lib with a generic verison *. You have to fix ALL dependency version(s) to be more more specific like 11.0.+. In order to do that fix version strings for any play services library you have in platforms/android/project.properties.

Open platform/android/build.gradle and change version of the first com.android.tools.build:gradle:

classpath 'com.android.tools.build:gradle:1.2.3+'

Remove google_api_key and google_app_id from any existing xml file from platform/android/res/ folder. Those values now come from an automatically generated values.xml.