Set default value for rank field in launcher logs to ItemInfo.rank.

Bug: 188222480
Test: wwdebug & wwlogcat
Change-Id: I16786eb2e6f1d4ce44dbda5eff27b1cd7f50ee8e

src/com/android/launcher3/model/data/ItemInfo.java

@@ -374,6 +374,7 @@ public class ItemInfo {
     protected LauncherAtom.ItemInfo.Builder getDefaultItemInfoBuilder() {
         LauncherAtom.ItemInfo.Builder itemBuilder = LauncherAtom.ItemInfo.newBuilder();
         itemBuilder.setIsWork(!Process.myUserHandle().equals(user));
+        itemBuilder.setRank(rank);
         return itemBuilder;
     }