Disable deferred proxies in Chrome

We will re-enable once the proxy instantiation is moved past the TextureSamplers

Bug: 715488
Change-Id: I4f0dee18fc191d7fffb6a2f4fedd825729ebb057
Reviewed-on: https://skia-review.googlesource.com/14520
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
3 files changed