Suppress addition of changeListeners during DDL recording

Bug: skia:8324
Change-Id: I5e27bc4c5b8bc709c8017367dfdfaf09643fafbf
Reviewed-on: https://skia-review.googlesource.com/150462
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
3 files changed