Update README file.

Author: Sudheer

README.md

@@ -35,11 +35,10 @@ Known Issues
 Support
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-- Google+ Community: https://plus.google.com/communities/105153134372062985968
-- Stack Overflow: http://stackoverflow.com/questions/tagged/android
-
 If you've found an error in this sample, please file an issue:
-https://github.com/googlesamples/android-testdpc
+https://github.com/googlesamples/android-testdpc/issues
+
+Patches are encouraged, and may be submitted by forking this project and submitting a pull request through GitHub.
 
 License
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