Use ONC for Cellular APN and SimLock in Settings

chromeos/test/data/network/translation_of_shill_cellular_with_state.onc

 {
   "Type": "Cellular",
   "Name": "Test Network",
   "Cellular": {
     "ActivationState": "activated",
     "ActivationType": "OTASP",
     "AllowRoaming": true,
     "HomeProvider": {
       "country": "us",
       "name": "cellular_provider"
     },
     "ServingOperator": {
       "Code": "test-code",
       "Country": "test-country",
       "Name": "test-name"
     },
     "APN": {
-      "Name": "test-apn",
+      "AccessPointName": "test-apn",
+      "Name": "test-apn-name",
       "Username": "test-username",
       "Password": "test-password"
     },
     "APNList": [ {
-        "Name": "test-apn0",
+        "AccessPointName": "test-apn0",
         "Password": "test-password0",
         "Username": "test-username0"
       }, {
-        "Name": "test-apn1",
+        "AccessPointName": "test-apn1",
         "Password": "test-password1",
         "Username": "test-username1"
       }, {
-        "Name": "test-apn2",
+        "AccessPointName": "test-apn2",
         "Password": "test-password2",
         "Username": "test-username2"
       }, {
-        "Name": "test-apn3",
+        "AccessPointName": "test-apn3",
         "Password": "test-password3",
         "Username": "test-username3"
       }
     ],
     "SIMLockStatus": {
       "LockType": "sim-pin",
       "LockEnabled": true
     }
   }
 }