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This patch adds new enum DOLBYVISION_PROFILE8 and DOLBYVISION_PROFILE9,
and updates all the other related codes.

Bug: internal b/134099245
Test: DV stream, Netflix, Vudu
Change-Id: Ic238eefedde39387924356ef105fac8dc89075d8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1637983Reviewed-by: Dale Curtis <dalecurtis@chromium.org>
Reviewed-by: Sergey Volk <servolk@chromium.org>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Reviewed-by: Antoine Labour <piman@chromium.org>
Commit-Queue: Yuchen Liu <yucliu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#665988}