Making sure we don't use Launcher when null

Fix: 386230683
Test: all test that use @PortraitLandscape
Flag: TEST_ONLY
Change-Id: I40dfd0e8f42a68649e1cbb2f8e69ce617a415f68
diff --git a/tests/src/com/android/launcher3/ui/PortraitLandscapeRunner.java b/tests/src/com/android/launcher3/ui/PortraitLandscapeRunner.java
index d49168f..124c18f 100644
--- a/tests/src/com/android/launcher3/ui/PortraitLandscapeRunner.java
+++ b/tests/src/com/android/launcher3/ui/PortraitLandscapeRunner.java
@@ -76,8 +76,8 @@
                     mTest.mDevice.setOrientationNatural();
                     mTest.executeOnLauncher(launcher ->
                     {
-                        LauncherPrefs.get(launcher).put(FIXED_LANDSCAPE_MODE, false);
                         if (launcher != null) {
+                            LauncherPrefs.get(launcher).put(FIXED_LANDSCAPE_MODE, false);
                             launcher.getRotationHelper().forceAllowRotationForTesting(false);
                         }
                     });