Adding opencensus grpc plugin.
Rebasing to merge commits.
diff --git a/package.xml b/package.xml
index 0777ee0..563f98c 100644
--- a/package.xml
+++ b/package.xml
@@ -739,7 +739,7 @@
<file baseinstalldir="/" name="src/core/ext/filters/client_channel/resolver/sockaddr/sockaddr_resolver.cc" role="src" />
<file baseinstalldir="/" name="src/core/ext/filters/load_reporting/server_load_reporting_filter.cc" role="src" />
<file baseinstalldir="/" name="src/core/ext/filters/load_reporting/server_load_reporting_plugin.cc" role="src" />
- <file baseinstalldir="/" name="src/core/ext/census/grpc_context.cc" role="src" />
+ <file baseinstalldir="/" name="src/cpp/ext/filters/census/grpc_context.cc" role="src" />
<file baseinstalldir="/" name="src/core/ext/filters/max_age/max_age_filter.cc" role="src" />
<file baseinstalldir="/" name="src/core/ext/filters/message_size/message_size_filter.cc" role="src" />
<file baseinstalldir="/" name="src/core/ext/filters/http/client_authority_filter.cc" role="src" />