medium_autoinitialise_update_manifest.xml

<manifest package="some.library.packagename"
          xmlns:tools="http://schemas.android.com/tools"
          xmlns:android="http://schemas.android.com/apk/res/android">
    <application>
    <provider
        android:name="androidx.startup.InitializationProvider"
        android:authorities="${applicationId}.androidx-startup"
        android:exported="false"
        tools:node="merge">
        <!-- This entry makes SomeInitializer discoverable. -->
        <meta-data  android:name="com.example.SomeInitializer"
              android:value="androidx.startup" />
        </provider>
    </application>

</manifest>