tree e4e460bf047b03b25c240cc686df288a0060f132
parent 207f06ca47e1e62b9393222992efd974074b1d3f
author Alexander Thomas <athom@google.com> 1542210308 +0000
committer Alexander Thomas <athom@google.com> 1542210308 +0000

[infra] Switch cross-arm64 builder to use a single shard

Triggering on arm64 fails because some kitchen CIPD packages
are unavailable on arm64.

TBR=whesse@google.com

Change-Id: I26b05d000dde712ab1b1d55a33be1e4a02f22247
Reviewed-on: https://dart-review.googlesource.com/c/84424
Reviewed-by: Alexander Thomas <athom@google.com>