Merge "Add static lock in PowerProfile" into oc-mr1-dev

    private static final String TAG_ARRAYITEM = "value";

    private static final String ATTR_NAME = "name";

    private static final Object sLock = new Object();

    public PowerProfile(Context context) {

        // Read the XML file for the given profile (normally only one per

        // device)

        synchronized (sLock) {

            if (sPowerMap.size() == 0) {

                readPowerValuesFromXml(context);

            }

            initCpuClusters();

        }

    }

    private void readPowerValuesFromXml(Context context) {

        int id = com.android.internal.R.xml.power_profile;