Initialize mavericks via content provider.

financial-connections/src/main/AndroidManifest.xml

@@ -29,6 +29,12 @@
             android:name="com.stripe.android.financialconnections.FinancialConnectionsSheetActivity"
             android:exported="false"
             android:theme="@style/StripeDefaultTheme" />
+
+        <provider
+            android:name=".appinitializer.FinancialConnectionsInitializer"
+            android:authorities="${applicationId}.financialconnections-init"
+            android:exported="false"
+            android:multiprocess="true" />
     </application>
 
     <!--

financial-connections/src/main/java/com/stripe/android/financialconnections/FinancialConnectionsSheet.kt

@@ -3,7 +3,6 @@ package com.stripe.android.financialconnections
 import android.os.Parcelable
 import androidx.activity.ComponentActivity
 import androidx.fragment.app.Fragment
-import com.airbnb.mvrx.Mavericks
 import com.stripe.android.financialconnections.launcher.FinancialConnectionsSheetForDataLauncher
 import com.stripe.android.financialconnections.launcher.FinancialConnectionsSheetForTokenLauncher
 import com.stripe.android.financialconnections.launcher.FinancialConnectionsSheetLauncher
@@ -17,13 +16,8 @@ import kotlinx.parcelize.Parcelize
  */
 class FinancialConnectionsSheet internal constructor(
     private val financialConnectionsSheetLauncher: FinancialConnectionsSheetLauncher,
-    financialConnectionsInitializer: FinancialConnectionsInitializer = FinancialConnectionsInitializer()
 ) {
 
-    init {
-        financialConnectionsInitializer.initialize()
-    }
-
     /**
      * Configuration for a [FinancialConnectionsSheet]
      *

financial-connections/src/main/java/com/stripe/android/financialconnections/appinitializer/FinancialConnectionsInitializer.kt

@@ -0,0 +1,41 @@
+package com.stripe.android.financialconnections.appinitializer
+
+import android.content.ContentProvider
+import android.content.ContentValues
+import android.database.Cursor
+import android.net.Uri
+import com.airbnb.mvrx.Mavericks
+
+class FinancialConnectionsInitializer : ContentProvider() {
+    override fun onCreate(): Boolean {
+        Mavericks.initialize(context = requireNotNull(context))
+        return true
+    }
+
+    override fun query(
+        uri: Uri,
+        projection: Array<String>?,
+        selection: String?,
+        selectionArgs: Array<String>?,
+        sortOrder: String?
+    ): Cursor? {
+        return null
+    }
+
+    override fun getType(uri: Uri): String? = null
+
+    override fun insert(uri: Uri, values: ContentValues?): Uri? = null
+
+    override fun delete(
+        uri: Uri,
+        selection: String?,
+        selectionArgs: Array<String>?
+    ): Int = 0
+
+    override fun update(
+        uri: Uri,
+        values: ContentValues?,
+        selection: String?,
+        selectionArgs: Array<String>?
+    ): Int = 0
+}