Add new KEYCODE_RECENT_APPS and corresponding mappings

Test: manual
Bug: 261621522
Change-Id: I282eb4b2b29a4790e287371ac9408120ff32997d
diff --git a/libs/input/InputEventLabels.cpp b/libs/input/InputEventLabels.cpp
index b78fae3..dd7cbb5 100644
--- a/libs/input/InputEventLabels.cpp
+++ b/libs/input/InputEventLabels.cpp
@@ -339,7 +339,8 @@
     DEFINE_KEYCODE(STYLUS_BUTTON_PRIMARY), \
     DEFINE_KEYCODE(STYLUS_BUTTON_SECONDARY), \
     DEFINE_KEYCODE(STYLUS_BUTTON_TERTIARY), \
-    DEFINE_KEYCODE(STYLUS_BUTTON_TAIL)
+    DEFINE_KEYCODE(STYLUS_BUTTON_TAIL), \
+    DEFINE_KEYCODE(RECENT_APPS)
 
 // NOTE: If you add a new axis here you must also add it to several other files.
 //       Refer to frameworks/base/core/java/android/view/MotionEvent.java for the full list.