Error in Instant Run / Build APK after updating to Android Studio 3.6.1

Solution was running well in android test device before updating android studio.

After updating android studio to 3.6.1
1) Instant Run is not working - app is not loading on test device
2) Build > Build APK is giving following error 
Build APK(s): Errors while building APK. You can find the errors in the 'Messages' view. 
