Update SubscriptionManager API by replacing 'id' & 'idx' with 'index'.

Bug: 35767068
Test: No build failure on update.
Change-Id: I5345fd45f3f5af356f8f033a49c4e512bfc81d66
Merged-in: I5345fd45f3f5af356f8f033a49c4e512bfc81d66
diff --git a/src/com/android/server/telecom/TelephonyUtil.java b/src/com/android/server/telecom/TelephonyUtil.java
index 50b8901..a76821a 100644
--- a/src/com/android/server/telecom/TelephonyUtil.java
+++ b/src/com/android/server/telecom/TelephonyUtil.java
@@ -94,8 +94,8 @@
                 int subId2 = telephonyManager.getSubIdForPhoneAccount(account2);
                 if (subId1 != SubscriptionManager.INVALID_SUBSCRIPTION_ID &&
                         subId2 != SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
-                    retval = (SubscriptionManager.getSlotId(subId1) <
-                            SubscriptionManager.getSlotId(subId2)) ? -1 : 1;
+                    retval = (SubscriptionManager.getSlotIndex(subId1) <
+                            SubscriptionManager.getSlotIndex(subId2)) ? -1 : 1;
                 }
 
                 // Then order by package