TRON: Count smart selection events.

Logs:
 - Smart selection occured
 - TextView menu item activated on smart selection
 - Smart selection reset
 - Smart selection modified

Test: Manually checked logging happens as per go/tron-howto and verified
nothing is broken in related classes by running:
bit FrameworksCoreTests:android.view.textclassifier.TextClassificationManagerTest
bit FrameworksCoreTests:android.widget.TextViewActivityTest

Bug: 32572232
Change-Id: Ia9081d92ae9aea50d863455be770eecd0c73be1a
diff --git a/core/java/android/widget/Editor.java b/core/java/android/widget/Editor.java
index b0d6395..bb658c1 100644
--- a/core/java/android/widget/Editor.java
+++ b/core/java/android/widget/Editor.java
@@ -3925,6 +3925,8 @@
 
         @Override
         public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
+            getSelectionActionModeHelper().onSelectionAction();
+
             if (mProcessTextIntentActionsHandler.performMenuItemAction(item)) {
                 return true;
             }