Add review comments.

Author: Mihir Gore

Diff for: instrumentation/opentelemetry-instrumentation-grpc/src/opentelemetry/instrumentation/grpc/grpcext/_interceptor.py

@@ -13,9 +13,7 @@
 # limitations under the License.
 
 # pylint:disable=relative-beyond-top-level
-# pylint:disable=arguments-differ
 # pylint:disable=no-member
-# pylint:disable=signature-differs
 
 """Implementation of gRPC Python interceptors."""
 
@@ -51,22 +49,16 @@ def __init__(self, method, base_callable, interceptor):
     def __call__(
         self,
         request,
-        timeout=None,
-        metadata=None,
-        credentials=None,
-        wait_for_ready=None,
-        compression=None,
+        **kwargs
     ):
         def invoker(request, metadata):
             return self._base_callable(
                 request,
-                timeout,
-                metadata,
-                credentials,
-                wait_for_ready,
-                compression,
+                **kwargs
             )
 
+        metadata = kwargs.get("metadata")
+        timeout = kwargs.get("timeout")
         client_info = _UnaryClientInfo(self._method, timeout)
         return self._interceptor.intercept_unary(
             request, metadata, client_info, invoker