GitLab

AMR files begin with "#!", which looks like a shell script, which causes
the primary sniffer to think the file is plain text. Re-sniff using the
expanded types sniffer to properly detect the file as AMR.

BUG=813059

Change-Id: Ic4843ce0773a0cba028dde7f134ad32215cacd5d
Reviewed-on: https://chromium-review.googlesource.com/c/1349129
Commit-Queue: Anand Mistry <amistry@chromium.org>
Reviewed-by: Sam McNally <sammc@chromium.org>
Cr-Commit-Position: refs/heads/master@{#610752}