Fix assistant shortcut on phone shortcut helper.

The shortcut requires the 'A' key.

Bug: 352737375
Flag: EXEMPT trivial bug fix
Test: Manually verified on device.
Change-Id: Iecabaf8ca64d7cf95b3da64e4133a416dff8da02
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/KeyboardShortcuts.java b/packages/SystemUI/src/com/android/systemui/statusbar/KeyboardShortcuts.java
index a49ca38..9d92b2f 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/KeyboardShortcuts.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/KeyboardShortcuts.java
@@ -524,7 +524,7 @@
                 keyboardShortcutInfoAppItems.add(new KeyboardShortcutInfo(
                         mContext.getString(R.string.keyboard_shortcut_group_applications_assist),
                         assistIcon,
-                        KeyEvent.KEYCODE_UNKNOWN,
+                        KeyEvent.KEYCODE_A,
                         KeyEvent.META_META_ON));
             }
         }