sm8450-common: Add hals.conf to load sensors.xiaomi to odm and move notifier to subdir

Change-Id: I9e16531e60fa6a0122330ee352cddd0840feb39c

sensors/sensor-notifier/include/SensorNotifier.h

@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2024 The LineageOS Project
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#pragma once
+
+#include <android/frameworks/sensorservice/1.0/ISensorManager.h>
+#include <thread>
+
+using android::sp;
+using android::frameworks::sensorservice::V1_0::IEventQueue;
+using android::frameworks::sensorservice::V1_0::IEventQueueCallback;
+using android::frameworks::sensorservice::V1_0::ISensorManager;
+using android::frameworks::sensorservice::V1_0::Result;
+
+class SensorNotifier {
+  public:
+    SensorNotifier(sp<ISensorManager> manager);
+    virtual ~SensorNotifier();
+
+    void activate();
+    void deactivate();
+
+  protected:
+    Result initializeSensorQueue(std::string typeAsString, bool wakeup, sp<IEventQueueCallback>);
+    virtual void notify() = 0;
+
+    sp<IEventQueue> mQueue;
+    int32_t mSensorHandle = -1;
+    bool mActive = false;
+
+  private:
+    sp<ISensorManager> mManager;
+    std::thread mThread;
+};