Fix some apostrophes, because I'm possessive like that.
Fix some apostrophes, because I'm possessive like that.

Bug: angleproject:5343
Change-Id: Ib3dcdf640a4d7f097c5e094bb18acb96f0a5510b
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2537233
Commit-Queue: Stephen White <30b0ee0ef1651e8ba59cfd41f16e23abfe9aca8a@chromium.org>
Reviewed-by: Jamie Madill <7e492b4f1c8458024932de3ba475cbf015424c30@chromium.org>

ppy/angle,ppy/angle,ppy/angle,ppy/angle