Move a file from src/cpp to src/core since core depends on it
diff --git a/grpc.gyp b/grpc.gyp
index ba4e818..a36998b 100644
--- a/grpc.gyp
+++ b/grpc.gyp
@@ -581,7 +581,7 @@
'src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper_windows.cc',
'src/core/ext/filters/client_channel/resolver/dns/native/dns_resolver.cc',
'src/core/ext/filters/client_channel/resolver/sockaddr/sockaddr_resolver.cc',
- 'src/cpp/ext/filters/census/grpc_context.cc',
+ 'src/core/ext/filters/census/grpc_context.cc',
'src/core/ext/filters/max_age/max_age_filter.cc',
'src/core/ext/filters/message_size/message_size_filter.cc',
'src/core/ext/filters/http/client_authority_filter.cc',
@@ -1313,7 +1313,7 @@
'third_party/nanopb/pb_encode.c',
'src/core/ext/filters/client_channel/lb_policy/pick_first/pick_first.cc',
'src/core/ext/filters/client_channel/lb_policy/round_robin/round_robin.cc',
- 'src/cpp/ext/filters/census/grpc_context.cc',
+ 'src/core/ext/filters/census/grpc_context.cc',
'src/core/ext/filters/max_age/max_age_filter.cc',
'src/core/ext/filters/message_size/message_size_filter.cc',
'src/core/ext/filters/http/client_authority_filter.cc',