[Infra] Fix skiaserve source location again

Bug: skia:7399
Change-Id: I749764f2dfc8239e9849cc09e68fb28932d58243
Reviewed-on: https://skia-review.googlesource.com/84861
Reviewed-by: Ravi Mistry <rmistry@google.com>
Commit-Queue: Ravi Mistry <rmistry@google.com>
2 files changed