Ril: Switch to TelAlaska Cellular (311740)

The previous network started supporting IPv6, which cuttlefish ril
can't support, TelAlaska Cellular is still on IPv4.

Bug: 139378604
Test: boot locally, check mobile network
Change-Id: I67797da2b29bc33c96cbb7814331f9b4ff9d2736
diff --git a/guest/hals/ril/cuttlefish_ril.cpp b/guest/hals/ril/cuttlefish_ril.cpp
index 209f3e8..5e86ede 100644
--- a/guest/hals/ril/cuttlefish_ril.cpp
+++ b/guest/hals/ril/cuttlefish_ril.cpp
@@ -1510,7 +1510,7 @@
   gGSMNeighboringCells[0].cid = (char*)"0000";
   gGSMNeighboringCells[0].rssi = 75;
 #if VSOC_PLATFORM_SDK_AFTER(O_MR1)
-  gNetworkOperators["302780"] =
+  gNetworkOperators["311740"] =
 #else
   gNetworkOperators["310260"] =
 #endif
@@ -1905,7 +1905,7 @@
       if (gRadioPowerState == RADIO_STATE_ON) {
         gSimStatus = SIM_READY;
 #if VSOC_PLATFORM_SDK_AFTER(O_MR1)
-        gCurrentNetworkOperator = "302780";
+        gCurrentNetworkOperator = "311740";
 #else
         gCurrentNetworkOperator = "310260";
 #endif