LockScreen: allow hardware key longpress to put device to sleep

import android.os.Bundle;

import android.os.IBinder;

import android.os.Parcelable;

import android.os.PowerManager;

import android.os.SystemClock;

import android.os.SystemProperties;

import android.os.Vibrator;

        } else if ("SOUND".equals(uri)) {

            toggleSilentMode(context);

            return true;

        } else if ("SLEEP".equals(uri)) {

            sendToSleep(context);

            return true;

        }

        return false;

        return pattern;

    }

    private static void sendToSleep(Context context) {

        final PowerManager pm;

        pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);

        pm.goToSleep(SystemClock.uptimeMillis());

    }

    SparseArray<Parcelable> mStateContainer = new SparseArray<Parcelable>();

    private void maybeCreateKeyguardLocked(boolean enableScreenRotation, boolean force,