Workaround for b/135766310

Bug: 135766310
Change-Id: I8ef40158d5b7f832be46ee2c2fe98a91a095ee82
diff --git a/tests/src/com/android/launcher3/ui/PortraitLandscapeRunner.java b/tests/src/com/android/launcher3/ui/PortraitLandscapeRunner.java
index d7c1411..0f36292 100644
--- a/tests/src/com/android/launcher3/ui/PortraitLandscapeRunner.java
+++ b/tests/src/com/android/launcher3/ui/PortraitLandscapeRunner.java
@@ -49,12 +49,14 @@
                 mTest.mDevice.setOrientationNatural();
                 mTest.mLauncher.setExpectedRotation(Surface.ROTATION_0);
                 base.evaluate();
+                mTest.getDevice().pressHome();
             }
 
             private void evaluateInLandscape() throws Throwable {
                 mTest.mDevice.setOrientationLeft();
                 mTest.mLauncher.setExpectedRotation(Surface.ROTATION_90);
                 base.evaluate();
+                mTest.getDevice().pressHome();
             }
         };
     }