Split backup preferences from PreferencesHelper (#8051)

core/src/main/java/eu/kanade/tachiyomi/core/provider/AndroidBackupFolderProvider.kt

@@ -0,0 +1,25 @@
+package eu.kanade.tachiyomi.core.provider
+
+import android.content.Context
+import android.os.Environment
+import androidx.core.net.toUri
+import eu.kanade.tachiyomi.core.R
+import java.io.File
+
+class AndroidBackupFolderProvider(
+    private val context: Context
+) : FolderProvider {
+
+    override fun directory(): File {
+        return File(
+            Environment.getExternalStorageDirectory().absolutePath + File.separator +
+                context.getString(R.string.app_name),
+            "backup",
+        )
+    }
+
+    override fun path(): String {
+        return directory().toUri().toString()
+    }
+
+}