Polish ChangeLog.md for ApplicationInsights (Azure#18213)

* Update ChangeLog.md

* Update ChangeLog.md

Co-authored-by: Yunchi Wang <54880216+wyunchi-ms@users.noreply.github.com>

Author: VeryEarly

src/ApplicationInsights/ChangeLog.md

@@ -18,7 +18,8 @@
         - Additional information about change #1
 -->
 ## Upcoming Release
-* **[Breaking change]** Upgraded API version for ApplicationInsights component to 2020-02-02
+* Upgraded API version for ApplicationInsights component to 2020-02-02
+* Supported Log Analytics workspace based component for `New-AzApplicationInsights` and 'Update-AzApplicationInsights'
 
 ## Version 1.3.1
 * Added breaking change warnings for upcoming Az.ApplicationInsights 2.0.0