Ensure subs aren't bound to the same modem.

import android.telephony.RadioAccessFamily;

import android.telephony.Rlog;

import android.telephony.TelephonyManager;

import android.util.Log;

import com.android.internal.telephony.CommandsInterface;

import com.android.internal.telephony.Phone;

import java.io.FileDescriptor;

import java.io.PrintWriter;

import java.util.concurrent.atomic.AtomicInteger;

import java.util.HashSet;

public class ProxyController {

    static final String LOG_TAG = "ProxyController";

                // get the logical mode corresponds to new raf requested and pass the

                // same as part of SET_RADIO_CAP APPLY phase

                mNewLogicalModemIds[phoneId] = getLogicalModemIdFromRaf(requestedRaf);

                logd("setRadioCapability: mOldRadioAccessFamily[" + phoneId + "]="

                        + mOldRadioAccessFamily[phoneId]);

                logd("setRadioCapability: mNewRadioAccessFamily[" + phoneId + "]="

            }

            if (mRadioAccessFamilyStatusCounter == 0) {

                HashSet<String> modemsInUse = new HashSet<String>(mNewLogicalModemIds.length);

                for (String modemId : mNewLogicalModemIds) {

                    if (!modemsInUse.add(modemId)) {

                        mTransactionFailed = true;

                        Log.wtf(LOG_TAG, "ERROR: sending down the same id for different phones");

                    }

                }

                logd("onStartRadioCapabilityResponse: success=" + !mTransactionFailed);

                if (mTransactionFailed) {

                    // Sends a variable number of requests, so don't resetRadioAccessFamilyCounter