Roll recipe dependencies (trivial).

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

depot_tools:
  https://crrev.com/e364dd820b29ab33721f12c448f7454092295ef6 (nodir@chromium.org)
    Roll rdb binary
  https://crrev.com/f82b08b1e252a4b1824e3b62f370209541213355 (liviurau@chromium.org)
    Revert "Support formatting python3 scripts"

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

TBR=godofredoc@google.com, keyonghan@google.com, wutong@google.com

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Change-Id: Id445bbfbecb67ccec419fab6aad28636cdeaffb2
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/3740
Reviewed-by: flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com <flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com <flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com>