Fix regression in virtual key haptics

- We only want to suppress haptics for virtual keys when using quickstep,
  so the default should be to allow vibration for all virtual keys.

Bug: 80531196
Test: On quickstep-enabled device, touch and verify that we only get haptic
      on tap and not down

Change-Id: I87000703d0462c3c1d62e829eb36e7a19e7b53d7

services/core/java/com/android/server/policy/PhoneWindowManager.java

@@ -549,7 +549,7 @@ public class PhoneWindowManager implements WindowManagerPolicy {
     volatile boolean mGoingToSleep;
     volatile boolean mRequestedOrGoingToSleep;
     volatile boolean mRecentsVisible;
-    volatile boolean mNavBarVirtualKeyHapticFeedbackEnabled;
+    volatile boolean mNavBarVirtualKeyHapticFeedbackEnabled = true;
     volatile boolean mPictureInPictureVisible;
     // Written by vr manager thread, only read in this class.
     volatile private boolean mPersistentVrModeEnabled;