Roll recipe dependencies (trivial).

This is an automated CL created by the recipe roller. This CL rolls recipe
changes from upstream projects (build, fuchsia) into this repository.

build:
  https://crrev.com/1d2b2c2887f2e1cf9d19deab313e2a138d7dd1e6 (huangs@chromium.org)
    Reland "[Binary Size] Transition to size_config_json flow."
  https://crrev.com/6899d349a14942ca98c4bfaf640a94714b27ac48 (gavinmak@google.com)
    Reland "Modify _create_kythe_index_pack to use package_index rewrite"
  https://crrev.com/b0881da9a060731af091532427375fd6b2ae19dd (huangs@chromium.org)
    Revert "Reland "[Binary Size] Transition to size_config_json flow.""
fuchsia:
  https://crrev.com/b47648559e4acdee73fc8731b57c9052400960c6 (jdkoren@google.com)
    [recipes] update location of dart packages

More info is at https://goo.gl/zkKdpD. Use https://goo.gl/noib3a to file a bug.

TBR=chillers@google.com, flutter-scoped@luci-project-accounts.iam.gserviceaccount.com

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Change-Id: Id17bddbece1b02891413962ad904f75a0e1317fd
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/8641
Reviewed-by: flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com <flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com>
Reviewed-by: Casey Hillers <chillers@google.com>
Commit-Queue: flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com <flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com>