fix ScanResult read from parcel, this function was broken and causes wifi settings to crash

Bug: 17293156

Change-Id: I5f7a8141adb21103e98913c9802d8364164eaba7

wifi/java/android/net/wifi/ScanResult.java

@@ -354,6 +354,7 @@ public class ScanResult implements Parcelable {
                 sr.autoJoinStatus = in.readInt();
                 sr.untrusted = in.readInt() != 0;
                 sr.numConnection = in.readInt();
+                sr.numUsage = in.readInt();
                 int n = in.readInt();
                 if (n != 0) {
                     sr.informationElements = new InformationElement[n];