Logging for drop bar not appearing for dragged widget

Test: presubmit
Bug: 195031154
Change-Id: I19494fc3d6d9db252570697c057fdee7f7d44521
diff --git a/src/com/android/launcher3/DropTargetBar.java b/src/com/android/launcher3/DropTargetBar.java
index 88f6c49..eb42a65 100644
--- a/src/com/android/launcher3/DropTargetBar.java
+++ b/src/com/android/launcher3/DropTargetBar.java
@@ -25,6 +25,7 @@
 import android.content.Context;
 import android.graphics.Rect;
 import android.util.AttributeSet;
+import android.util.Log;
 import android.util.TypedValue;
 import android.view.Gravity;
 import android.view.View;
@@ -32,10 +33,13 @@
 import android.view.ViewPropertyAnimator;
 import android.widget.FrameLayout;
 
+import androidx.annotation.NonNull;
+
 import com.android.launcher3.anim.Interpolators;
 import com.android.launcher3.dragndrop.DragController;
 import com.android.launcher3.dragndrop.DragController.DragListener;
 import com.android.launcher3.dragndrop.DragOptions;
+import com.android.launcher3.testing.TestProtocol;
 
 /*
  * The top bar containing various drop targets: Delete/App Info/Uninstall.
@@ -212,6 +216,9 @@
     }
 
     public void animateToVisibility(boolean isVisible) {
+        if (TestProtocol.sDebugTracing) {
+            Log.d(TestProtocol.NO_DROP_TARGET, "8");
+        }
         if (mVisible != isVisible) {
             mVisible = isVisible;
 
@@ -238,6 +245,9 @@
      */
     @Override
     public void onDragStart(DropTarget.DragObject dragObject, DragOptions options) {
+        if (TestProtocol.sDebugTracing) {
+            Log.d(TestProtocol.NO_DROP_TARGET, "7");
+        }
         animateToVisibility(true);
     }
 
@@ -261,4 +271,12 @@
     public ButtonDropTarget[] getDropTargets() {
         return mDropTargets;
     }
+
+    @Override
+    protected void onVisibilityChanged(@NonNull View changedView, int visibility) {
+        super.onVisibilityChanged(changedView, visibility);
+        if (TestProtocol.sDebugTracing && visibility == VISIBLE) {
+            Log.d(TestProtocol.NO_DROP_TARGET, "9");
+        }
+    }
 }