Adding an aligned stride test to LibYuv
Adding an aligned stride test to LibYuv

Review URL: https://webrtc-codereview.appspot.com/935020

Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: 32b3f40b6cc3ee1db7b5fdbb271956de05f6d726

sippet/webrtc,sippet/webrtc,sippet/webrtc,sippet/webrtc,sippet/webrtc,sippet/webrtc