File sample/data.csv contains an incorrect path

[mbernico]

Describe the bug
The supplied sample/data.csv contains an incorrect path including tfrutil

To Reproduce
Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior
A clear and concise description of what you expected to happen.

Screenshots
If applicable, add screenshots to help explain your problem.

System (please complete the following information):

• OS: [e.g. iOS]
• Python Version: [e.g. 3.6]
• TensorFlow Version: [e.g. 2.2]
• TensorFlow Transform Version: [e.g. 0.22]

Additional context
Add any other context about the problem here.