[RTT] Fix legacy RTT API

Legacy RTT APIs wrap around the new RTT API. The translation of
results from new to legacy APIs allocated the full number of
results - but only filled-in one of the results - the others
were left null.

Bug: 73884773
Test: RangeApSupporting11McTest:test_legacy_rtt_80211mc_supporting_aps
passes with multiple APs

Change-Id: Id5ec70de272868d92154bdca9eee1d398c3a1801
diff --git a/wifi/java/android/net/wifi/RttManager.java b/wifi/java/android/net/wifi/RttManager.java
index b5273dd..50c4b5e 100644
--- a/wifi/java/android/net/wifi/RttManager.java
+++ b/wifi/java/android/net/wifi/RttManager.java
@@ -999,6 +999,7 @@
                             // just in case legacy API needed some relatively real timestamp
                             legacyResults[i].ts = SystemClock.elapsedRealtime() * 1000;
                         }
+                        i++;
                     }
                     listener.onSuccess(legacyResults);
                 }