Add new flag to guard refactoring for multi key gestures

Part 2 of the key gesture refactoring:
- KeyCombinationManager gestures
- SingleKeyGestureDetector gestures
- Home key gestures

Bug: 358569822
Test: None
Flag: com.android.hardware.input.use_key_gesture_event_handler_multi_press_gestures
Change-Id: I5828f729c20fc2d4a11a5fe77f140d9f15d56757
diff --git a/core/java/android/hardware/input/input_framework.aconfig b/core/java/android/hardware/input/input_framework.aconfig
index 1a309c6..983bbc3 100644
--- a/core/java/android/hardware/input/input_framework.aconfig
+++ b/core/java/android/hardware/input/input_framework.aconfig
@@ -119,6 +119,13 @@
 }
 
 flag {
+    namespace: "input_native"
+    name: "use_key_gesture_event_handler_multi_press_gestures"
+    description: "Use KeyGestureEvent handler APIs to control multi key press gestures"
+    bug: "358569822"
+}
+
+flag {
   name: "keyboard_repeat_keys"
   namespace: "input_native"
   description: "Allow configurable timeout before key repeat and repeat delay rate for key repeats"