Correctly sequence mus ozone initialization
Correctly sequence mus ozone initialization

GPU thread ozone platform in mus needs to be initialized before
CommandBufferDriver.

BUG=558602

Review URL: https://codereview.chromium.org/1893833002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#387811}

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