Add logging to help debug flake when swiping home to overview.

Bug: 238461210
Bug: 246283207
Test: TaplTestsQuickstep#testSwitchToOverview
Change-Id: I8ee9af4f4a331c43761ba3738e12acb376ababc2
(cherry picked from commit 1edba8b0a6)
Merged-In: I8ee9af4f4a331c43761ba3738e12acb376ababc2

quickstep/src/com/android/launcher3/uioverrides/RecentsViewStateController.java

@@ -31,11 +31,13 @@ import android.animation.AnimatorSet;
 import android.annotation.TargetApi;
 import android.os.Build;
 import android.util.FloatProperty;
+import android.util.Log;
 import android.util.Pair;
 
 import androidx.annotation.NonNull;
 
 import com.android.launcher3.LauncherState;
+import com.android.launcher3.Utilities;
 import com.android.launcher3.anim.AnimatorListeners;
 import com.android.launcher3.anim.PendingAnimation;
 import com.android.launcher3.anim.PropertySetter;
@@ -88,6 +90,13 @@ public final class RecentsViewStateController extends
             // While animating into recents, update the visible task data as needed
             builder.addOnFrameCallback(() -> mRecentsView.loadVisibleTaskData(FLAG_UPDATE_ALL));
             mRecentsView.updateEmptyMessage();
+            // TODO(b/238461210): Remove logging once root cause of flake detected.
+            if (Utilities.IS_RUNNING_IN_TEST_HARNESS) {
+                Log.d("b/238461210", "RecentsView#setStateWithAnimationInternal getCurrentPage(): "
+                                + mRecentsView.getCurrentPage()
+                                + ", getScrollForPage(getCurrentPage())): "
+                                + mRecentsView.getScrollForPage(mRecentsView.getCurrentPage()));
+            }
         } else {
             builder.addListener(
                     AnimatorListeners.forSuccessCallback(mRecentsView::resetTaskVisuals));