For Latest android studio versions, no need to remember the breadcrumb flow -

1. Just click search button at the top-rightmost corner of the IDE like this https://i.sstatic.net/lQc5mDL9.png

2. Search for "show hard wrap" or "show vertical indent" and relevant features should appear. Click on the items like this - https://i.sstatic.net/MB5WGP8p.png

3. check or uncheck according to your preference and voila! Done... https://i.sstatic.net/M691ZRap.png