Merge "Guard against exception from TelephonyManager.getMeid()" into main

        TelephonyManager telephonyService = context.getSystemService(TelephonyManager.class);

        Preconditions.checkState(telephonyService != null, "Unable to access telephony service");

        mImei = telephonyService.getImei(0);

        mMeid = telephonyService.getMeid(0);

        String meid;

        try {

            meid = telephonyService.getMeid(0);

        } catch (UnsupportedOperationException doesNotSupportCdma) {

            // Instead of catching the exception, we could check for FEATURE_TELEPHONY_CDMA.

            // However that runs the risk of changing a device's existing ESID if on these devices

            // telephonyService.getMeid() actually returns non-null even when the device does not

            // declare FEATURE_TELEPHONY_CDMA.

            meid = null;

        }

        mMeid = meid;

        mSerialNumber = Build.getSerial();

        WifiManager wifiManager = context.getSystemService(WifiManager.class);

        Preconditions.checkState(wifiManager != null, "Unable to access WiFi service");