Android Webview set proxy programmatically Kitkat

Question

How can we set proxy in Android webview programmatically on latest Kitkat release?

This SO link WebView android proxy talks about version upto SDK version 18. But th

Answer 1

https://android.googlesource.com/platform/external/chromium/+/android-4.4_r1/net/proxy/proxy_config_service_android.cc

Has methods to set the proxy. I am still trying to figure out how to invoke this from Java code. Pointers?