[pulld] Make pulld faster since local metadata servers are being turned down.
[pulld] Make pulld faster since local metadata servers are being turned down.

Bug: skia:
Change-Id: Ib6be931e592c8a50a4d8eb69549e1cba0beefac0
Reviewed-on: https://skia-review.googlesource.com/121943
Reviewed-by: Joe Gregorio <b9cf2471ff6d33504cafe8e6f356b732b2cadced@google.com>
Commit-Queue: Joe Gregorio <b9cf2471ff6d33504cafe8e6f356b732b2cadced@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