Fix Robolectric test breakage am: 77e29775a9

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/12442805

Change-Id: Ib8711dce31cc2bbb54776939a402440521b09c5f

src/com/android/launcher3/Launcher.java

@@ -929,6 +929,7 @@ public class Launcher extends StatefulActivity<LauncherState> implements Launche
     protected void handlePendingActivityRequest() { }
 
     private void logStopAndResume(int command) {
+        if (mPendingExecutor != null) return;
         int pageIndex = mWorkspace.isOverlayShown() ? -1 : mWorkspace.getCurrentPage();
         int containerType = mStateManager.getState().containerType;