Update Clipboard Test to reflect new CDD language

This test now only asks the tester to confirm that a
confirmation was generated, and also that redaction
occurs if a preview is generated.

Bug: 226678038, 237717736, 236810938
Test: Manual Test on P21

Change-Id: I2765fd78d8f0134cec52cc649d50c5dc3834e80e
(cherry picked from commit e537ca0aed60e0c2c521f48e03b5c9b0ab80b977)
4 files changed