Roll src/third_party/ffmpeg/ 0ba7f6830..fa382f21a (1 commit).
Roll src/third_party/ffmpeg/ 0ba7f6830..fa382f21a (1 commit).

https://chromium.googlesource.com/chromium/third_party/ffmpeg.git/+log/0ba7f6830534..fa382f21a6b9

$ git log 0ba7f6830..fa382f21a --date=short --no-merges --format='%ad %ae %s'
2016-05-16 thakis win: Don't set HAVE_FAST_CLZ.

BUG=none
TBR=dalecurtis

Review-Url: https://codereview.chromium.org/1979133004
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#393991}

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