Roll src/third_party/libyuv/ 55f5d91f1..d694f0a82 (18 commits)

https://chromium.googlesource.com/libyuv/libyuv.git/+log/55f5d91f11f9..d694f0a82b4d

$ git log 55f5d91f1..d694f0a82 --date=short --no-merges --format='%ad %ae %s'
2018-08-13 fbarchard Document update for running android apps
2018-08-13 fbarchard ubsan fix for 16 bit scaling
2018-08-08 vapier README: fix doc links
2018-08-06 zhanglixia-hf libyuv:loongson Correct the optimization of mmi on loongson3a platform.
2018-08-10 fbarchard Add H420ToRGB565 and J420ToRGB565 unittests
2018-08-09 chz libyuv: choose matrix for YUV to RGB565 conversion
2018-08-10 phoglund Roll chromium_revision 80f0c557..35b72bf2 (536678:582080)
2018-08-10 phoglund Try reordering buckets to work around gerrit tryjob plugin bug
2018-08-10 phoglund Fix missing brace + incorrect nesting in cq.cfg.
2018-08-09 hinoka [cq.cfg] Flip all builders (except windows) to LUCI
2018-08-09 phoglund Only download Android SDK for android checkouts.
2018-08-08 hinoka Revert "Add a whitespace.txt file"
2018-07-21 martin Restore the file mode for source files
2018-08-03 fbarchard MMI ifdef guards and add source to various build files.
2018-08-02 hinoka Add a whitespace.txt file
2018-07-31 hinoka DEPS: Invoke play services hook with vpython
2018-07-31 hinoka [vpython]: Add pypiwin32
2018-07-04 zhanglixia-hf libyuv:loongson optimize compare/row/scale/rotate files with mmi.

Created with:
  roll-dep src/third_party/libyuv

Bug: libyuv:813, libyuv:812, libyuv:811, libyuv:810, libyuv:805, libyuv:796
Change-Id: Ib8ff451fefa7948e1aed2028210dc1147ffcba06
Tested: try bots
Reviewed-on: https://chromium-review.googlesource.com/1176552Reviewed-by: Frank Barchard <fbarchard@chromium.org>
Reviewed-by: Miguel Casas <mcasas@chromium.org>
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
Cr-Commit-Position: refs/heads/master@{#583714}

DEPS

@@ -832,7 +832,7 @@ deps = {
     Var('chromium_git') + '/webm/libwebm.git' + '@' + '01c1d1d76f139345c442bfc8e61b4e1cba809059',
 
   'src/third_party/libyuv':
-    Var('chromium_git') + '/libyuv/libyuv.git' + '@' + '55f5d91f11f929c4c59c32621c3d5457cca3ab0b',  # from r1714
+    Var('chromium_git') + '/libyuv/libyuv.git' + '@' + 'd694f0a82b4da9d8ea37e6c453b7a34947eb5790',  # from r1714
 
   'src/third_party/lighttpd': {
       'url': Var('chromium_git') + '/chromium/deps/lighttpd.git' + '@' + Var('lighttpd_revision'),