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

Bug: 238461210
Test: TaplTestsQuickstep#testSwitchToOverview
Change-Id: I8ee9af4f4a331c43761ba3738e12acb376ababc2

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

@@ -30,6 +30,7 @@ import static com.android.quickstep.views.TaskView.FLAG_UPDATE_ALL;
 import android.annotation.TargetApi;
 import android.os.Build;
 import android.util.FloatProperty;
+import android.util.Log;
 import android.util.Pair;
 
 import androidx.annotation.NonNull;
@@ -37,6 +38,7 @@ import androidx.annotation.Nullable;
 
 import com.android.launcher3.BaseQuickstepLauncher;
 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;
@@ -84,6 +86,13 @@ 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));

quickstep/src/com/android/quickstep/views/RecentsView.java

@@ -1521,6 +1521,13 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
             // Restore mCurrentPage but don't call setCurrentPage() as that clobbers the scroll.
             mCurrentPage = previousCurrentPage;
         } else {
+            // TODO(b/238461210): Remove logging once root cause of flake detected.
+            if (Utilities.IS_RUNNING_IN_TEST_HARNESS) {
+                Log.d("b/238461210", "RecentsView#applyLoadPlan() -> !settlingOnNewTask -> "
+                                + "previousCurrentPage: " + previousCurrentPage
+                                + ", getScrollForPage(previousCurrentPage): "
+                                + getScrollForPage(previousCurrentPage));
+            }
             setCurrentPage(previousCurrentPage);
         }
 

src/com/android/launcher3/PagedView.java

@@ -767,6 +767,13 @@ public abstract class PagedView<T extends View & PageIndicator> extends ViewGrou
         }
 
         if (mScroller.isFinished() && pageScrollChanged) {
+            // TODO(b/238461210): Remove logging once root cause of flake detected.
+            if (Utilities.IS_RUNNING_IN_TEST_HARNESS && !(this instanceof Workspace)) {
+                Log.d("b/238461210", this.getClass().getSimpleName() + "#onLayout() -> "
+                        + "if(mScroller.isFinished() && pageScrollChanged) -> getNextPage(): "
+                        + getNextPage() + ", getScrollForPage(getNextPage()): "
+                        + getScrollForPage(getNextPage()));
+            }
             setCurrentPage(getNextPage());
         }
         onPageScrollsInitialized();