Use visibleNonExcludedTask as runningTask in 3 button flow as well

- The same logic is introduced in `InputConsumerUtils` to fix same issue for Circle to Search, but didn't get added to 3 button
- Copying the same logic to find the task underneath the Overlay (e.g. CtS or Gemini) to OverviewCommandHelper to fix the issue

Fix: 422147244
Test: Start CtS or Gemini overview an app, tap Recents button
Flag: EXEMPT bug fix
Change-Id: I9934288f72c8964d84265b2488fd2ee1ca4ff7f7
1 file changed