<AppMeasurement>[I-ACS036002] Analytics screen reporting is enabled. Call +[FIRAnalytics setScreenName:setScreenClass:] to set the screen name or override the default screen class name. To disable screen reporting, set the flag FirebaseScreenReportingEnabled to NO (boolean) in the Info.plist
これでる。Xcodeのログ。
ios - Disabling firebase automatic screen reporting - Stack Overflow
<key>FirebaseScreenReportingEnabled</key> <false/>
を追記した。
この警告関係ないかもしれないがGoogleService-Info.plist
も必要なのかも?