[Autoroll] Fix typo in fuchsia_sdk_repo_manager
[Autoroll] Fix typo in fuchsia_sdk_repo_manager

Bug: skia:8286
Change-Id: Ia41f27fbf0f91605b38085ed9def5ebb48a00710
Reviewed-on: https://skia-review.googlesource.com/150926
Reviewed-by: Ravi Mistry <9fa2e7438b8cb730f96b74865492597170561628@google.com>
Commit-Queue: Ravi Mistry <9fa2e7438b8cb730f96b74865492597170561628@google.com>

google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot