Revert "DO NOT MERGE: Prevent integer wrap around for malloc size when creating a SkRegion"

This reverts commit d26ad41b866449e685d9e6df7e56148b527ace77.

lmp-dev no longer has Sk64.h

Change-Id: Ifffc2615d6c0ff83b839734ce8f54a9e26f4e06d
1 file changed