Roll src/third_party/dav1d/libdav1d/ 54f92068c..47daa4df3 (1 commit)

https://chromium.googlesource.com/external/github.com/videolan/dav1d.git/+log/54f92068caa2..47daa4df3387

$ git log 54f92068c..47daa4df3 --date=short --no-merges --format='%ad %ae %s'
2020-06-22 rsbultje Accumulate leb128 value using uint64_t as intermediate type

Created with:
  roll-dep src/third_party/dav1d/libdav1d
R=dalecurtis@chromium.org,tguilbert@chromium.org

Bug: 1098714
Change-Id: Ie5ae97d3979ba5873d2f24b39eb2deb83cb9fbf0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2264798
Commit-Queue: Wan-Teh Chang <wtc@google.com>
Commit-Queue: Dale Curtis <dalecurtis@chromium.org>
Reviewed-by: Dale Curtis <dalecurtis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#782004}

DEPS

@@ -767,7 +767,7 @@ deps = {
     Var('chromium_git') + '/angle/angle.git' + '@' +  Var('angle_revision'),
 
   'src/third_party/dav1d/libdav1d':
-    Var('chromium_git') + '/external/github.com/videolan/dav1d.git' + '@' + '54f92068caa25ccf75af52067786caf0415a17e0',
+    Var('chromium_git') + '/external/github.com/videolan/dav1d.git' + '@' + '47daa4df3387c1529536243db80b81f3878cbf76',
 
   'src/third_party/dawn':
     Var('dawn_git') + '/dawn.git' + '@' +  Var('dawn_revision'),