Merge "Check the tuner feature before access TunerResourceManager." into main

import android.content.Context;

import android.content.Intent;

import android.content.IntentFilter;

import android.content.pm.PackageManager;

import android.hardware.hdmi.HdmiControlManager;

import android.hardware.hdmi.HdmiDeviceInfo;

import android.hardware.hdmi.HdmiHotplugEvent;

class TvInputHardwareManager implements TvInputHal.Callback {

    private static final String TAG = TvInputHardwareManager.class.getSimpleName();

    private PackageManager mPackageManager;

    private final Context mContext;

    private final Listener mListener;

    private final TvInputHal mHal = new TvInputHal(this);

        mContext = context;

        mListener = listener;

        mAudioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);

        mPackageManager = mContext.getPackageManager();

        mHal.init();

    }

        if (callback == null) {

            throw new NullPointerException();

        }

        TunerResourceManager trm = (TunerResourceManager) mContext.getSystemService(

                Context.TV_TUNER_RESOURCE_MGR_SERVICE);

        TunerResourceManager trm = null;

        if (mPackageManager.hasSystemFeature(PackageManager.FEATURE_TUNER)) {

            trm = mContext.getSystemService(TunerResourceManager.class);

        }

        synchronized (mLock) {

            Connection connection = mConnections.get(deviceId);

            if (connection == null) {