ibaker 4ce60968b2 Fix warning about ambiguous @EnsuresNonNull annotation
```
[expression.parameter.name.shadows.field] The postcondition
EnsuresNonNull on the declaration of method 'setContentTimeline'
contains ambiguous identifier 'contentTimeline'. Use
"this.contentTimeline" for the field, or "#1" for the formal parameter.
  private void setContentTimeline(Timeline contentTimeline) {
               ^
```

PiperOrigin-RevId: 448285571
2022-05-24 10:42:20 +01:00
..
2021-10-27 09:12:46 +01:00
2022-05-09 10:50:31 +01:00