Added debug message

Added debug message to print sub id when carrier
config event is fired.

Test: Manual
Bug: 152149072
Change-Id: Iabb432476849204624d1002d05ba0f1bf1ac5316
diff --git a/src/com/android/phone/CarrierConfigLoader.java b/src/com/android/phone/CarrierConfigLoader.java
index af1b248..9699e1b 100644
--- a/src/com/android/phone/CarrierConfigLoader.java
+++ b/src/com/android/phone/CarrierConfigLoader.java
@@ -636,8 +636,14 @@
             }
         }
         intent.putExtra(CarrierConfigManager.EXTRA_SLOT_INDEX, phoneId);
-        logd("Broadcast CARRIER_CONFIG_CHANGED for phone " + phoneId);
         mContext.sendBroadcastAsUser(intent, UserHandle.ALL);
+        int[] subIds = SubscriptionManager.getSubId(phoneId);
+        if (subIds != null && subIds.length > 0) {
+            logd("Broadcast CARRIER_CONFIG_CHANGED for phone " + phoneId + ", subId=" + subIds[0]);
+        } else {
+            logd("Broadcast CARRIER_CONFIG_CHANGED for phone " + phoneId);
+        }
+
         mHasSentConfigChange[phoneId] = true;
     }