Load proto_library in google/rpc
This change adds an explicit load of `proto_library` and `cc_proto_library` in `third_party/google/rpc`.
# limitations under the License.
#
+load("@rules_cc//cc:defs.bzl", "cc_proto_library")
+load("@rules_proto//proto:defs.bzl", "proto_library")
+
package(
default_visibility = ["//visibility:public"],
)
