Switch RemoteStrike to be sk_sp

The next CL will move sk_sp-ness to StrikeForGPU so
that complicated scoping API can be removed.

Bug: skia:14065
Change-Id: I2e022fc0f7b5e90faf6543dc51f9f0655630b92d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/639856
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Herb Derby <herb@google.com>
1 file changed