Merge "[SB][ComposeIcons] Fix potential crash in VpnRepositoryImpl" into main

package com.android.systemui.statusbar.policy.vpn.data.repository.impl

import android.annotation.SuppressLint

import android.content.pm.PackageManager

import android.net.ConnectivityManager

import android.net.LinkProperties

import kotlinx.coroutines.flow.scan

import kotlinx.coroutines.flow.stateIn

@SuppressLint("MissingPermission")

@SysUISingleton

class VpnRepositoryImpl

@Inject

     */

    private val internalState: StateFlow<VpnInternalState> =

        conflatedCallbackFlow<(VpnInternalState) -> VpnInternalState> {

                val vpnNetworkRequest =

                    NetworkRequest.Builder()

                        .clearCapabilities()

                        .addTransportType(NetworkCapabilities.TRANSPORT_VPN)

                        .build()

                val callback =

                    object : ConnectivityManager.NetworkCallback() {

                        override fun onAvailable(network: Network) {

            }

            .scan(VpnInternalState()) { state, transform -> transform(state) }

            .flowOn(bgDispatcher)

            .stateIn(scope, SharingStarted.Eagerly, VpnInternalState())

            .stateIn(scope, SharingStarted.WhileSubscribed(), VpnInternalState())

    override val vpnState: StateFlow<VpnState> =

        internalState

        return VpnState(isEnabled = isEnabled, isBranded = isBranded, isValidated = isValidated)

    }

    private val vpnNetworkRequest =

        NetworkRequest.Builder()

            .clearCapabilities()

            .addTransportType(NetworkCapabilities.TRANSPORT_VPN)

            .build()

    /** Internal state holder that contains both the property cache and the final VPN state. */

    private data class VpnInternalState(

        val networkProperties: Map<Network, NetworkProperties> = emptyMap(),