Unwaive PinnedStackTests#testNonTappablePipActivity on TV

Enable
CtsWindowManagerDeviceTestCases:PinnedStackTests#testNonTappablePipActivity()
on TV.

Bug: 144032975
Bug: 153050065
Test: atest CtsWindowManagerDeviceTestCases:PinnedStackTests#testNonTappablePipActivity
Change-Id: I7383fe65be1e373a280331f8b210186508350395
diff --git a/tests/framework/base/windowmanager/src/android/server/wm/PinnedStackTests.java b/tests/framework/base/windowmanager/src/android/server/wm/PinnedStackTests.java
index 8cd0d1d..8d827c5 100644
--- a/tests/framework/base/windowmanager/src/android/server/wm/PinnedStackTests.java
+++ b/tests/framework/base/windowmanager/src/android/server/wm/PinnedStackTests.java
@@ -23,7 +23,6 @@
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
 import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED;
 import static android.app.WindowConfiguration.WINDOWING_MODE_UNDEFINED;
-import static android.content.pm.PackageManager.FEATURE_LEANBACK;
 import static android.server.wm.ComponentNameUtils.getActivityName;
 import static android.server.wm.ComponentNameUtils.getWindowName;
 import static android.server.wm.UiDeviceUtils.pressWindowButton;
@@ -77,7 +76,6 @@
 import static org.junit.Assert.assertThat;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
-import static org.junit.Assume.assumeFalse;
 import static org.junit.Assume.assumeTrue;
 
 import android.content.ComponentName;
@@ -193,7 +191,6 @@
 
     @Test
     public void testNonTappablePipActivity() throws Exception {
-        assumeFalse(hasDeviceFeature(FEATURE_LEANBACK));
         // Launch the tap-to-finish activity at a specific place
         launchActivity(PIP_ACTIVITY,
                 EXTRA_ENTER_PIP, "true",