cidb: fix @minimum_schema decorator to handle keyword args
cidb: fix @minimum_schema decorator to handle keyword args

BUG=chromium:387755
TEST=cidb_integration_test.py

Change-Id: Ia53c0dfcdd3d595967ff5ad85ba0f1cc27f2dc23
Reviewed-on: https://chromium-review.googlesource.com/209824
Tested-by: Aviv Keshet <178e8ae417efbe404feca7ab4cb8f0ba8c109369@chromium.org>
Reviewed-by: Yu-Ju Hong <52dc720c411f8e2156e608c1a8b894a917489667@chromium.org>
Commit-Queue: Aviv Keshet <178e8ae417efbe404feca7ab4cb8f0ba8c109369@chromium.org>

bpsinc-native/src_third_party_chromite,bpsinc-native/src_third_party_chromite,bpsinc-native/src_third_party_chromite