update API name to requestBandwidthUpdate()

Change-Id: If26942978ffcc43f06f17dfad5da790f34758395
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index b785d3d..f6f5c6f 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -3456,7 +3456,7 @@
     }
 
     @Override
-    public boolean requestBwUpdate(Network network) {
+    public boolean requestBandwidthUpdate(Network network) {
         enforceAccessPermission();
         NetworkAgentInfo nai = null;
         if (network == null) {