Reland "[pathkit] Increase default memory size and allow growth"

This is a reland of 5268f9d56204a623d606eb65096295057d52cd4f

Original change's description:
> [pathkit] Increase default memory size and allow growth
>
> Change-Id: Ib403708a8cbdcb85512c341c093d1c1fe342d2b3
> Bug: skia:8216
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/502778
> Reviewed-by: Nathaniel Nifong <nifong@google.com>

Bug: skia:8216
Change-Id: I8b63fe28c785ef2fc4fc08cc6b9a076bed34040a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/503825
Reviewed-by: Brian Osman <brianosman@google.com>
2 files changed