Update DT Exchange Android Adapter version to 8.4.1.0

PiperOrigin-RevId: 840498827

Author: Mobile Ads Developer Relations

ThirdPartyAdapters/dtexchange/CHANGELOG.md

@@ -1,6 +1,11 @@
 ## DT Exchange Android Mediation Adapter Changelog
 
-#### Version 8.4.1.0 (In progress)
+#### Version 8.4.1.0
+- Verified compatibility with DT Exchange SDK 8.4.1.
+
+Built and tested with:
+- Google Mobile Ads SDK version 24.8.0.
+- DT Exchange SDK version 8.4.1.
 
 #### Version 8.4.0.1
 - Added support for Native Ads