Don't disable search on Keyguard

Test: Long-press home while Keyguard is occluded, make sure voice
interactor is invoked.
Bug: 33110839

Change-Id: I24a31e1a8a4d7ab9706cdbdb76123165c73e5052

packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java

@@ -1777,7 +1777,6 @@ public class KeyguardViewMediator extends SystemUI {
                 // (like recents). Temporary enable/disable (e.g. the "back" button) are
                 // done in KeyguardHostView.
                 flags |= StatusBarManager.DISABLE_RECENT;
-                flags |= StatusBarManager.DISABLE_SEARCH;
             }
             if (isShowingAndNotOccluded()) {
                 flags |= StatusBarManager.DISABLE_HOME;