Remove `include/grpcpp/impl/codegen/async_stream.h` (#30941)

* Remove `include/grpcpp/impl/codegen/async_stream.h`

* Fix

* Fix

* Update

src/compiler/cpp_generator.cc

@@ -138,7 +138,7 @@ std::string GetHeaderIncludes(grpc_generator::File* file,
     static const char* headers_strs[] = {
         "functional",
         "grpcpp/generic/async_generic_service.h",
-        "grpcpp/impl/codegen/async_stream.h",
+        "grpcpp/support/async_stream.h",
         "grpcpp/support/async_unary_call.h",
         "grpcpp/impl/codegen/client_callback.h",
         "grpcpp/impl/codegen/client_context.h",
@@ -1648,7 +1648,7 @@ std::string GetSourceIncludes(grpc_generator::File* file,
     std::map<std::string, std::string> vars;
     static const char* headers_strs[] = {
         "functional",
-        "grpcpp/impl/codegen/async_stream.h",
+        "grpcpp/support/async_stream.h",
         "grpcpp/support/async_unary_call.h",
         "grpcpp/impl/codegen/channel_interface.h",
         "grpcpp/impl/codegen/client_unary_call.h",
@@ -2184,7 +2184,7 @@ std::string GetMockIncludes(grpc_generator::File* file,
     std::map<std::string, std::string> vars;
 
     static const char* headers_strs[] = {
-        "grpcpp/impl/codegen/async_stream.h",
+        "grpcpp/support/async_stream.h",
         "grpcpp/impl/codegen/sync_stream.h",
     };
     std::vector<std::string> headers(headers_strs, array_end(headers_strs));

test/core/tsi/alts/fake_handshaker/fake_handshaker_server.cc

@@ -23,12 +23,12 @@
 
 #include <grpc/grpc.h>
 #include <grpc/support/log.h>
-#include <grpcpp/impl/codegen/async_stream.h>
 #include <grpcpp/impl/codegen/sync.h>
 #include <grpcpp/security/server_credentials.h>
 #include <grpcpp/server.h>
 #include <grpcpp/server_builder.h>
 #include <grpcpp/server_context.h>
+#include <grpcpp/support/async_stream.h>
 
 #include "test/core/tsi/alts/fake_handshaker/handshaker.grpc.pb.h"
 #include "test/core/tsi/alts/fake_handshaker/handshaker.pb.h"

test/cpp/codegen/compiler_test_golden

@@ -28,7 +28,7 @@
 
 #include <functional>
 #include <grpcpp/generic/async_generic_service.h>
-#include <grpcpp/impl/codegen/async_stream.h>
+#include <grpcpp/support/async_stream.h>
 #include <grpcpp/support/async_unary_call.h>
 #include <grpcpp/impl/codegen/client_callback.h>
 #include <grpcpp/impl/codegen/client_context.h>

test/cpp/codegen/compiler_test_mock_golden

@@ -5,7 +5,7 @@
 #include "src/proto/grpc/testing/compiler_test.pb.h"
 #include "src/proto/grpc/testing/compiler_test.grpc.pb.h"
 
-#include <grpcpp/impl/codegen/async_stream.h>
+#include <grpcpp/support/async_stream.h>
 #include <grpcpp/impl/codegen/sync_stream.h>
 #include <gmock/gmock.h>
 namespace grpc {