sm8450-common: sensors: Convert nonui notifier into a generalized sensor based notifier

Change-Id: I34b9861341f4f033185fdbd066b46d779dd95cfa

sensors/utils/SensorNotifierUtils.cpp

@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2024 The LineageOS Project
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#define LOG_TAG "SensorNotifierUtils"
+
+#include "SensorNotifierUtils.h"
+
+#include <android-base/logging.h>
+
+bool readBool(int fd) {
+    char c;
+    int rc;
+
+    rc = lseek(fd, 0, SEEK_SET);
+    if (rc) {
+        LOG(ERROR) << "failed to seek fd, err: " << rc;
+        return false;
+    }
+
+    rc = read(fd, &c, sizeof(char));
+    if (rc != 1) {
+        LOG(ERROR) << "failed to read bool from fd, err: " << rc;
+        return false;
+    }
+
+    return c != '0';
+}