remove fragile hack in addOval to avoid computing bounds

Bug: skia:
Change-Id: Ide917f54633370f1fce46a115fa923794b981e2e
Reviewed-on: https://skia-review.googlesource.com/129461
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Mike Reed <reed@google.com>
2 files changed