Roll src/third_party/ffmpeg/ d151785b5..53de560ab (4 commits)

https://chromium.googlesource.com/chromium/third_party/ffmpeg.git/+log/d151785b5b0e..53de560ab9b7

$ git log d151785b5..53de560ab --date=short --no-merges --format='%ad %ae %s'
2020-09-28 jonathan.wright aarch64: Add Armv8.5-A BTI support
2020-09-28 jonathan.wright aarch64: Use ret x<n> instead of br x<n> where possible
2021-11-16 liberato Fix deps roll
2021-11-15 liberato Experimental merge-back and DEPS roll.

Created with:
  roll-dep src/third_party/ffmpeg

Bug: 1145581
Change-Id: I36f96c1d006dcb8fbdd5cece51ad6d9701015e18
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3329605
Auto-Submit: Jonathan Wright <[email protected]>
Reviewed-by: Chrome Cunningham <[email protected]>
Commit-Queue: Chrome Cunningham <[email protected]>
Reviewed-by: Xiaohan Wang <[email protected]>
Commit-Queue: Xiaohan Wang <[email protected]>
Cr-Commit-Position: refs/heads/main@{#951127}
diff --git a/DEPS b/DEPS
index af820e2..947c1d0 100644
--- a/DEPS
+++ b/DEPS
@@ -1069,7 +1069,7 @@
     Var('chromium_git') + '/external/github.com/google/farmhash.git' + '@' + '816a4ae622e964763ca0862d9dbd19324a1eaf45',
 
   'src/third_party/ffmpeg':
-    Var('chromium_git') + '/chromium/third_party/ffmpeg.git' + '@' + 'd151785b5b0ef367e225f8a5702c36d2dccc8bb3',
+    Var('chromium_git') + '/chromium/third_party/ffmpeg.git' + '@' + '53de560ab9b797efa43c7e2643cde1be5dcc2450',
 
   'src/third_party/flac':
     Var('chromium_git') + '/chromium/deps/flac.git' + '@' + 'af862024c8c8fa0ae07ced05e89013d881b00596',