Set ADTS header profile for AAC-HE-V2 streams.
Set ADTS header profile for AAC-HE-V2 streams.

AAC-HE decoder should be able to play AAC-HE-V2 streams. Set ADTS header
for AAC-HE-V2 could allow hardware decoder to play those streams.

BUG=506904, internal b/26390133

Review URL: https://codereview.chromium.org/1788443002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#380771}

axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk