Firebase Analytic Data Sharing is optional (Based on Latest Documentation.)

[hardikbhalodi]

Collected = Yes
Sharing = No

Google Analytics for Firebase SDK Approximate Location Yes No
Google Analytics for Firebase SDK Device or other IDs Yes No
Google Analytics for Firebase SDK Purchase history Yes No
Google Analytics for Firebase SDK App interactions Yes No

Reference
https://firebase.google.com/docs/android/play-data-disclosure
https://support.google.com/analytics/answer/11582702

Mentioned
Google Analytics
com.google.firebase:firebase-analytics
com.google.firebase:firebase-analytics-ktx

Find Google Analytics data collection information in the Google Analytics documentation.