tree 7db2a58b75fcc886ca5f69012b21c98cc21ecb85
parent 3ab3a7b9ff5e7465ff2bbb0780387809f6072867
author Cheng Chen <chengchen@google.com> 1533927234 -0700
committer Cheng Chen <chengchen@google.com> 1533941728 +0000

Remove zero shift

The shift dates back to experiment cb4x4. Now it's zero, should be
removed.

Change-Id: I1405b85c4044b8134f56035a20c5dfb0d154993e