Disable deferred proxies for M60 branch

Bug: 720325
Change-Id: I0529bbcd592bdc5d5a741731af8a66971e485649
Reviewed-on: https://skia-review.googlesource.com/18239
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
5 files changed