In SkTaskGroup, move the function in case it has heap-allocated storage

Change-Id: Iba79ed5d5116e2e3966e55f674249fa84636fe45
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/289436
Auto-Submit: Adlai Holler <adlai@google.com>
Commit-Queue: Adlai Holler <adlai@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
1 file changed