Move frame measurement code into shared location

Change-Id: Ib083773a9f9efbe337daa05146ef85259c0fdc35
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/300174
Commit-Queue: Nathaniel Nifong <nifong@google.com>
Reviewed-by: Kevin Lubick <kjlubick@google.com>
6 files changed