build: update rules_foreign_cc (envoyproxy#8330)

This updates rules_foreign_cc to include bazel-contrib/rules_foreign_cc#318

The patch may fix some OSS-Fuzz build failures related to transitive dependencies in curl coming from envoyproxy#8154

Risk level: Low

Signed-off-by: Asra Ali <asraa@google.com>

bazel/repository_locations.bzl

@@ -224,10 +224,10 @@ REPOSITORY_LOCATIONS = dict(
         urls = ["https://github.com/bazelbuild/rules_go/releases/download/0.19.2/rules_go-0.19.2.tar.gz"],
     ),
     rules_foreign_cc = dict(
-        sha256 = "c957e6663094a1478c43330c1bbfa71afeaf1ab86b7565233783301240c7a0ab",
-        strip_prefix = "rules_foreign_cc-a209b642c7687a8894c19b3dd40e43e6d3f38e83",
-        # 2019-07-17
-        urls = ["https://github.com/bazelbuild/rules_foreign_cc/archive/a209b642c7687a8894c19b3dd40e43e6d3f38e83.tar.gz"],
+        sha256 = "ea7e4f13b66009d46c01a0292cf1d590d8ea06775c315263abb66022dde25315",
+        strip_prefix = "rules_foreign_cc-16ddc00bd4e1b3daf3faee1605a168f5283326fa",
+        # 2019-09-18
+        urls = ["https://github.com/bazelbuild/rules_foreign_cc/archive/16ddc00bd4e1b3daf3faee1605a168f5283326fa.tar.gz"],
     ),
     rules_proto = dict(
         sha256 = "602e7161d9195e50246177e7c55b2f39950a9cf7366f74ed5f22fd45750cd208",