tree f518b0554783f912659e786798db21643c9dc9a8
parent 5a4cfcd95e2150fb570726e4a2c9b60d85f8408b
author Urvang Joshi <urvang@google.com> 1532042794 -0700
committer Urvang Joshi <urvang@google.com> 1532047787 -0700

Move film_grain_params_present to SequenceHeader.

This matches the spec, and enforces that it's value doesn't change
across multiple sequence headers in the same video.

BUG=aomedia:1875

Change-Id: I4a7360974ab130b57f8676c9c4c3af857a325f75