Rename to WorkerWarmupRequest and WorkerWarmupResponse

Author: shreyas-gopalakrishna

src/proto/FunctionRpc.proto

@@ -88,10 +88,10 @@ message StreamingMessage {
     FunctionLoadResponseCollection function_load_response_collection = 32;
 
     // Host sends required metadata to worker to warmup the worker
-    FunctionWarmupRequest function_warmup_request = 33;
+    WorkerWarmupRequest worker_warmup_request = 33;
 
     // Worker responds after warming up with the warmup result
-    FunctionWarmupResponse function_warmup_response = 34;
+    WorkerWarmupResponse worker_warmup_response = 34;
 
   }
 }
@@ -423,12 +423,12 @@ message InvocationResponse {
   StatusResult result = 3;
 }
 
-message FunctionWarmupRequest {
+message WorkerWarmupRequest {
   // Full path of worker.config.json location
   string worker_directory = 1;
 }
 
-message FunctionWarmupResponse {
+message WorkerWarmupResponse {
   StatusResult result = 1;
 }