Allow ethernet on automotive to set allowed UIDs

Allow ethernet factories on automotive devices to set the allowed UIDs
on NetworkCapabilities.

Bug: 229419469
Test: atest FrameworksNetTests
Change-Id: I03e7cda75f1c530e0d0e4a756330bc9847a96668

service/src/com/android/server/ConnectivityService.java

@@ -7825,6 +7825,7 @@ public class ConnectivityService extends IConnectivityManager.Stub
         }
         nai.declaredCapabilities = new NetworkCapabilities(nc);
         NetworkAgentInfo.restrictCapabilitiesFromNetworkAgent(nc, nai.creatorUid,
+                mContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_AUTOMOTIVE),
                 mCarrierPrivilegeAuthenticator);
     }