Measure the time taken for animation and flush. Exclude UI and stats logic
from the timing. Use stacked bars to visualize the breakdown of time
within a frame.
BUG=skia:
Change-Id: I7ef84442a68147f02f65b6aa4452768fd3314de2
Reviewed-on: https://skia-review.googlesource.com/8227
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
1df161ab8a