Remove problematic pre-allocations when deserializing

The fuzzer would frequently OOM on these.

Bug: skia:7937
Change-Id: I5e6a7dabeca327452f774100c9db05cd6be4cb06
Reviewed-on: https://skia-review.googlesource.com/128551
Reviewed-by: Florin Malita <fmalita@chromium.org>
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
1 file changed