Fix memory leak in DeferredProxyTest

Change-Id: Ib183f71e972b0756b8558098dabe32b6934c0847
Reviewed-on: https://skia-review.googlesource.com/7866
Commit-Queue: Robert Phillips <robertphillips@google.com>
Commit-Queue: Hal Canary <halcanary@google.com>
Reviewed-by: Hal Canary <halcanary@google.com>
1 file changed