Add logs for pressHome for isLauncherVisible am: 6168de06e5

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15284079

Change-Id: I789e2055d07c639bd8269411ccbf5ed63eda4a6a

tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java

@@ -735,6 +735,7 @@ public final class LauncherInstrumentation {
                     dumpViewHierarchy();
                     action = "swiping up to home";
 
+                    final boolean launcherIsVisible = isLauncherVisible();
                     swipeToState(
                             displaySize.x / 2, displaySize.y - 1,
                             displaySize.x / 2, 0,
@@ -742,6 +743,9 @@ public final class LauncherInstrumentation {
                             launcherWasVisible
                                     ? GestureScope.INSIDE_TO_OUTSIDE
                                     : GestureScope.OUTSIDE_WITH_PILFER);
+                    // b/193653850: launcherWasVisible is a flaky indicator.
+                    log("launcherWasVisible: " + launcherWasVisible + ", launcherIsVisible: "
+                            + launcherIsVisible);
                 }
             } else {
                 log("Hierarchy before clicking home:");