title: PayU payment gateway integration - missing methods
body: <p>I am trying to update the api and implementation in Android Studio Chipmunk 2021.2.1 Patch 2
  recommend by PayU.
  I am using <strong>api 'com.payu.india:payu-sdk:4.4.2'</strong> and <strong>api 'com.payu.custombrowser:payu-custom-browser:6.1.3'</strong>. Now I am trying to update the api to <strong>api 'in.payu:payu-sdk:5.4.6'</strong> and implementation <strong>'in.payu:payu-custom-browser:7.10.2'</strong>, in this case while building the project OneTap (OneClick Payment) and MagicRetry support had been removed (<a href="https://github.com/payu-intrepos/Android-Custom-Browser/releases" rel="nofollow noreferrer">https://github.com/payu-intrepos/Android-Custom-Browser/releases</a>).<a href="https://i.stack.imgur.com/BVE1G.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/BVE1G.png" alt="enter image description here" /></a>. Please give the possible solution.</p>