Revert of chrome-si/initializers expectations for protobufs (patchset #1 id:1 of https://codereview.chromium.org/1312423002/ )
Revert of chrome-si/initializers expectations for protobufs (patchset #1 id:1 of https://codereview.chromium.org/1312423002/ )

Reason for revert:
We do not tolerate static initializer regressions.

Original issue's description:
> chrome-si/initializers expectations for protobufs
>
> Temporarily expand chrome-si/initializers expectations due to new static
> initializers from ProtoBuf.
>
> BUG=525054,81439
> TBR=pkasting@chromium.org,mustaq@chromium.org
>
> Committed: https://crrev.com/aa9c64979b341fa34c5668b746014b78015d22fe
> Cr-Commit-Position: refs/heads/master@{#345596}

TBR=mustaq@chromium.org,pkasting@chromium.org,rogerta@chromium.org,battre@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=525054,81439

Review URL: https://codereview.chromium.org/1312733004

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#345788}

CapOM/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend