Use diagnostics_channel in layers#96

Draft

Qard wants to merge 3 commits intopillarjs:masterfrom

Qard:diagnostics-channel

Commits on Sep 17, 2020

Use diagnostics_channel in layers
Qard
committed

Commits on Sep 18, 2020

Fix channel names
Qard
committed

Commits on Sep 22, 2020

Fix layerStack timing issue
Qard
committed