I have integrated crosswalk with cordova in my ADT project as mentioned in the following
URL
Do I have to make any other change in my cordova project/Code in order to use crosswalk webview instead of the original android webview?
If you are using the crosswalk version of cordova there is no change needs to be done in your cordova project.
All you have to do is import https://github.com/crosswalk-project/crosswalk-cordova-android into eclipse(ADT).
Instead of cordova dependancy in project add crosswalk cordova project.
Your original cordova project now should be using crosswalk webview.