Adding query length parameter to protobuf

Bug: 131940434
Change-Id: Iaa7ca520406df882e154db3662a190607eb61b23

protos/launcher_log.proto

@@ -56,6 +56,7 @@ message Target {
   optional int32 predictedRank = 15;
   optional TargetExtension extension = 16;
   optional TipType tip_type = 17;
+  optional int32 search_query_length = 18;
 }
 
 // Used to define what type of item a Target would represent.

src/com/android/launcher3/logging/LoggerUtils.java

@@ -144,6 +144,10 @@ public class LoggerUtils {
                     + "), pageIdx=" + t.pageIndex;
 
         }
+        if (t.searchQueryLength != 0) {
+            typeStr += ", searchQueryLength=" + t.searchQueryLength;
+        }
+
         if (t.itemType == ItemType.TASK) {
             typeStr += ", pageIdx=" + t.pageIndex;
         }