Import of the watch repository from Pebble

tests/stubs/stubs_pfs.h

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "services/normal/filesystem/pfs.h"
+
+status_t pfs_remove(const char *name) {
+  return S_SUCCESS;
+}
+
+int pfs_seek(int fd, int offset, FSeekType seek_type) {
+  return 0;
+}
+
+int pfs_read(int fd, void *buf_ptr, size_t size) {
+  return 0;
+}