Add latency tracking for aiai

Bug: 210790418
Test: go/toast-latency-ondevice
Change-Id: I7b80da138b4dcfef998c6b9921317650795612e7
diff --git a/src/com/android/launcher3/logging/StatsLogManager.java b/src/com/android/launcher3/logging/StatsLogManager.java
index 2b6e426..f4f270c 100644
--- a/src/com/android/launcher3/logging/StatsLogManager.java
+++ b/src/com/android/launcher3/logging/StatsLogManager.java
@@ -731,7 +731,8 @@
         enum LatencyType {
             UNKNOWN(0),
             COLD(1),
-            HOT(2);
+            HOT(2),
+            TIMEOUT(3);
 
             private final int mId;