Erroneous "No timeline event analysis data available for this frame"

[elliette]

I've only noticed this when running an app on debug-mode, not profile-mode

Steps to reproduce:

1. Open performance panel
2. Trigger some event in app that causes a lot of frames to be rendered (e.g. scrolling)
3. In the Frame chart, scroll to the beginning and click on one of the first frames ("Frame A")
4. See message: "No timeline event analysis data available for this frame."
5. Now scroll to the end of the frame chart, and start clicking on the frames there
6. Make your way back to "Frame A" and click on it again. The message is now gone.

Initial selection of frame:

Subsequent selection of frame: