fix query params for invoked in-process local request

[hb-chen]

#939

[johanbrandhorst]

Thanks for this, could you add a test that would fail without this applied? We should have some tests for this local client somewhere.

[johanbrandhorst]

Can you please rebase the changes on master? It should fix the build error.

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[googlebot]

CLAs look good, thanks!

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[johanbrandhorst]

The bazel error still needs to be fixed manually: https://app.circleci.com/pipelines/github/grpc-ecosystem/grpc-gateway/174/workflows/618ded58-624f-42c6-9852-04d3427e0015/jobs/6796

-- examples/internal/server/BUILD.bazel	1970-01-01 00:00:00.000000000 +0000
+++ examples/internal/server/BUILD.bazel	1970-01-01 00:00:00.000000000 +0000
@@ -19,6 +19,7 @@
         "//examples/internal/proto/examplepb:go_default_library",
         "//examples/internal/proto/sub:go_default_library",
         "//examples/internal/proto/sub2:go_default_library",
+        "//runtime:go_default_library",
         "@com_github_golang_glog//:go_default_library",
         "@com_github_golang_protobuf//proto:go_default_library",
         "@com_github_golang_protobuf//protoc-gen-go/generator:go_default_library_gen",
ERROR: Bazel files out-of-date, please run `bazel run :gazelle`

[johanbrandhorst]

Great work, thanks! Could you please open another PR to merge this to the v2 branch?