Update change log

Author: DonJayamanne

CHANGELOG.md

@@ -1,13 +1,18 @@
 # Changelog
 
 
-## 2019.3.1 (27 March 2019)
+## 2019.3.1 (28 March 2019)
 
 ### Enhancements
 
 1. Use the download same logic for `stable` channel of the `Language Server` as that in `beta`.
    ([#4960](https://github.com/Microsoft/vscode-python/issues/4960))
 
+### Code Health
+
+1. Capture telemetry when tests are disabled..
+   ([#4801](https://github.com/Microsoft/vscode-python/issues/4801))
+
 ## 2019.3.6139 (26 March 2019)
 
 ### Enhancements