Merge "Remove an unused variable from AudioService."

import android.app.ActivityManagerNative;

import android.app.AppGlobals;

import android.app.AppOpsManager;

import android.app.KeyguardManager;

import android.bluetooth.BluetoothA2dp;

import android.bluetooth.BluetoothAdapter;

import android.bluetooth.BluetoothClass;

    private static int sSoundEffectVolumeDb;

    // previous volume adjustment direction received by checkForRingerModeChange()

    private int mPrevVolDirection = AudioManager.ADJUST_SAME;

    // Keyguard manager proxy

    private KeyguardManager mKeyguardManager;

    // mVolumeControlStream is set by VolumePanel to temporarily force the stream type which volume

    // is controlled by Vol keys.

    private int  mVolumeControlStream = -1;

        sendMsg(mAudioHandler, MSG_LOAD_SOUND_EFFECTS, SENDMSG_QUEUE,

                0, 0, null, 0);

        mKeyguardManager =

                (KeyguardManager) mContext.getSystemService(Context.KEYGUARD_SERVICE);

        mScoConnectionState = AudioManager.SCO_AUDIO_STATE_ERROR;

        resetBluetoothSco();

        getBluetoothHeadset();