media/test/data: Update video thumbnail MD5 sum

CL:950007 wrongly deletes md5sum for intel platforms
Reupdate to add the md5sum.

BUG=chromium:827032
TEST=video_VideoDecodeAccelerator on eve

Change-Id: I2d8ee3b7517f997721741d4b532596c2fbf0641e
Reviewed-on: https://chromium-review.googlesource.com/1037044Reviewed-by: Dale Curtis <dalecurtis@chromium.org>
Commit-Queue: Hirokazu Honda <hiroh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#555162}

media/test/data/test-25fps.h264.md5

@@ -4,6 +4,7 @@
 # Intel - VA_FILTER_SCALING_DEFAULT
 d924f9464d01847f3c3d2dee739603cc
 # Intel - VA decode to NV12, EGLImage CSC
+82a05426b6ef227e5147eb7b710423fb
 d1ba5f08cdbcc39ee24d99acaf9477ea
 # TODO(hiroh): Update X11 value
 # Intel - Haswell - X11