[FSSDK-12546] release android v5.2.0

Author: jaeopt

CHANGELOG.md

@@ -1,5 +1,21 @@
 # Optimizely Android X SDK Changelog
 
+## 5.2.0
+May 5, 2026
+
+### New Features
+
+**Feature Rollout**: Added support for Feature Rollouts, a new experiment type
+combining Targeted Delivery simplicity with A/B test measurement capabilities.
+Feature Rollouts enable progressive rollouts with full impact analytics, metric tracking,
+and confidence intervals.
+See [Feature Rollout docs](https://support.optimizely.com/hc/en-us/articles/45552846481037-Run-Feature-Rollouts-in-Feature-Experimentation) for more information.
+
+- Add Feature Rollout support ([#524](https://github.com/optimizely/android-sdk/pull/524))
+- Remove source clear cron workflow ([#523](https://github.com/optimizely/android-sdk/pull/523))
+- Update cmab error handling ([#522](https://github.com/optimizely/android-sdk/pull/522))
+- Option to run local java-sdk lib ([#521](https://github.com/optimizely/android-sdk/pull/521))
+
 ## 5.1.1
 January 20th, 2025