Fix Typescript type hints for CanvasKit debug traces.

The tests for these methods are only handled in Javascript, so the type
mismatches weren't detected until I tried using the calls in Typescript

Change-Id: Ifb233f871be1146d3f059b166b7de40bb401d4c9
Bug: skia:12818
Commit-Queue: John Stiles <>
Auto-Submit: John Stiles <>
Reviewed-by: Kevin Lubick <>
Commit-Queue: Kevin Lubick <>
1 file changed