Chromium lkgr is no longer updated. Use lkcr

Bug: skia:6916
Change-Id: I16badf80c3b34e517b8baab161150c9434f325aa
Reviewed-on: https://skia-review.googlesource.com/30100
Commit-Queue: Ravi Mistry <rmistry@google.com>
Reviewed-by: Eric Boren <borenet@google.com>
32 files changed