Enable move construction for OpChain and SkTArray<OpChain>.

OpChains contain an internal List which does bookkeeping/validation when
moved, but our SkTArray was skipping over this validation step because
MEM_MOVE was set to true.

Change-Id: I4a4f1f0dff96076dfa3719467f4393eb7e958c8f
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/305958
Commit-Queue: John Stiles <johnstiles@google.com>
Reviewed-by: Michael Ludwig <michaelludwig@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
1 file changed