Keep touch mode for the key event triggered by gesture

Bug: 267391997
Test: atest --host libinput_tests inputflinger_tests
Change-Id: I686cb8f9dff01f5964f40518ea60509d806b8d8f
diff --git a/services/inputflinger/reader/mapper/KeyboardInputMapper.h b/services/inputflinger/reader/mapper/KeyboardInputMapper.h
index 2fc82c3..fe6812c 100644
--- a/services/inputflinger/reader/mapper/KeyboardInputMapper.h
+++ b/services/inputflinger/reader/mapper/KeyboardInputMapper.h
@@ -54,6 +54,7 @@
         nsecs_t downTime{};
         int32_t keyCode{};
         int32_t scanCode{};
+        int32_t flags{};
     };
 
     uint32_t mSource{};