offline-pipeline: Fix unit test

Broken by https://crrev.com/c/6051596.
The test is only enabled with Bazel. Unfortunately we
did not catch it because cop is broken now.

BUG=b:359741102
TEST=bazel test //...

Change-Id: I350f22172153674f9b30c3f8277ed2b8ff952e55
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/adhd/+/6048234
Reviewed-by: Cranel W <[email protected]>
Commit-Queue: Li-Yu Yu <[email protected]>
Tested-by: Li-Yu Yu <[email protected]>

audio_processor/src/bin/offline-pipeline.rs

@@ -300,6 +300,7 @@ mod tests {
             plugin_name: "negate_processor_create".to_string(),
             block_size_ms: 10,
             block_size_frames: None,
+            set_thread_priority: false,
             json: false,
         });