Handle IME event for SearchResultIcon

Bug: 171131394
Test: Manual
Change-Id: I2ed1c61053c78aaecc3324418229d69634a72ae4
diff --git a/src/com/android/launcher3/views/SearchResultIcon.java b/src/com/android/launcher3/views/SearchResultIcon.java
index 51214ae..7d9f534 100644
--- a/src/com/android/launcher3/views/SearchResultIcon.java
+++ b/src/com/android/launcher3/views/SearchResultIcon.java
@@ -71,6 +71,7 @@
     public void applySearchTarget(SearchTarget searchTarget) {
         mSearchTarget = searchTarget;
         AllAppsStore appsStore = mLauncher.getAppsView().getAppsStore();
+        SearchEventTracker.getInstance(getContext()).registerWeakHandler(mSearchTarget, this);
         if (searchTarget.getItemType().equals(TARGET_TYPE_APP)) {
             AppInfo appInfo = appsStore.getApp(new ComponentKey(searchTarget.getComponentName(),
                     searchTarget.getUserHandle()));