Fix missing showWhenLocked activity attribute

This attribute will stabilize ScreenDecorWindowTests since this test
needs activity is shown even on locked device.

Fixes: 119041502
Bug: 119037340
Test: On sleeping DUT.
  atest FrameworksServicesTests:com.android.server.wm.ScreenDecorWindowTests
Change-Id: I98ef00ba32c792c396f3abba447dd20628902492
Merged-In: I8fc2683ad65e627c4e002b767fd23a4dd9f16223
diff --git a/services/tests/servicestests/AndroidManifest.xml b/services/tests/servicestests/AndroidManifest.xml
index d46b991..13ba229 100644
--- a/services/tests/servicestests/AndroidManifest.xml
+++ b/services/tests/servicestests/AndroidManifest.xml
@@ -143,7 +143,8 @@
         <activity android:name="com.android.server.pm.BaseShortcutManagerTest$ShortcutActivity2" />
         <activity android:name="com.android.server.pm.BaseShortcutManagerTest$ShortcutActivity3" />
 
-        <activity android:name="com.android.server.wm.ScreenDecorWindowTests$TestActivity" />
+        <activity android:name="com.android.server.wm.ScreenDecorWindowTests$TestActivity"
+                  android:showWhenLocked="true" />
 
         <activity android:name="com.android.server.pm.ShortcutTestActivity"
                  android:enabled="true" android:exported="true" />