tree 91edde7639cedda558c95094197102f496189309
parent b3c2a0dd242bbaab71636bd6d4fdf2efaad5744b
author Wesley.CW Wang <wesleycwwang@google.com> 1594200498 +0800
committer Wesley.CW Wang <wesleycwwang@google.com> 1594200498 +0800

Adjust custom theme flow preview page's a11y set

 - Change part of the preview layout to not import for a11y, make it
 won't be focused by TB
 - Add new content description to each preview layout
 video: https://drive.google.com/file/d/1JTZCv7bdRuvzbYbxJXU-yBto4UcivijA/view?usp=sharing

 Fixes: 160760041
 Test: manually

Change-Id: I70df6d74bb39f75641b8200f5ea505d9c21d2b11