title: How to Delete All previously tracked data in Google Mobile iOS App Analytics without changing the tracking id
body: <p>Iam using Google Analytics SDK for iOS v3.0.9 in my app and tracked all the data during my development. Now the app is yet to be submitted in "Apps Store", so i need to delete all the previous data and track only the data after my app is released.</p>
  
  <p>I need to use the same Tracking ID and the account.</p>