It is not possible to simulate big-endian systems on X64/X86,
so snapshots must be generated natively or using an emulator
such as qemu.

Bug: 
Change-Id: Ib7ea6fe27ea5da19f270251f18fbc5f1c43413ce
Reviewed-on: https://chromium-review.googlesource.com/771673
Commit-Queue: Ivica Bogosavljevic <ivica.bogosavljevic@mips.com>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Ivica Bogosavljevic <ivica.bogosavljevic@mips.com>
Cr-Commit-Position: refs/heads/master@{#49621}