Fix TODO in SkTArray move constructor.

If moving from an SkTArray which owns its own memory, just steal it
instead of always making a copy.

Change-Id: Ic969437a39d23d878d752bbdee38aa5dd2472e21
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/290125
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
1 file changed