Roll src/third_party/ffmpeg/ 83304c4e5..fa04e15e1 (1 commit)

https://chromium.googlesource.com/chromium/third_party/ffmpeg.git/+log/83304c4e5287..fa04e15e1ad6

$ git log 83304c4e5..fa04e15e1 --date=short --no-merges --format='%ad %ae %s'
2019-11-06 hans Call update.py --package=objdump instead of download_objdump.py

Created with:
  roll-dep src/third_party/ffmpeg

This also points ffmpeg correctly at the master branch rather than sushi branch.

TBR=tmathmeyer

Change-Id: I3ca918bcb38fd40784ed97ed8d14826e5656da6a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1910763Reviewed-by: Dale Curtis <dalecurtis@chromium.org>
Reviewed-by: Ted Meyer <tmathmeyer@chromium.org>
Commit-Queue: Dale Curtis <dalecurtis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#714563}

DEPS

@@ -927,7 +927,7 @@ deps = {
   },
 
   'src/third_party/ffmpeg':
-    Var('chromium_git') + '/chromium/third_party/ffmpeg.git' + '@' + '83304c4e5287d20407dff656545e6dddd73566f8',
+    Var('chromium_git') + '/chromium/third_party/ffmpeg.git' + '@' + 'fa04e15e1ad61052e85f42413d4b841d2a496ec0',
 
   'src/third_party/flac':
     Var('chromium_git') + '/chromium/deps/flac.git' + '@' + 'af862024c8c8fa0ae07ced05e89013d881b00596',