Add keyboard volume mute LED. (2/2)
(cherry picked from https://partner-android-review.googlesource.com/q/commit:80f60ec95afc0c5995647aa19f87b5389f656c25)

Change-Id: I75f68a34b2557deeb9e5d760480e5ab4aa6af328
Bug: 373556678
Flag: NONE external OEM contribution only active in their devices
diff --git a/services/inputflinger/reader/include/EventHub.h b/services/inputflinger/reader/include/EventHub.h
index 4336945..5839b4c 100644
--- a/services/inputflinger/reader/include/EventHub.h
+++ b/services/inputflinger/reader/include/EventHub.h
@@ -179,6 +179,8 @@
     KEYBOARD_BACKLIGHT = 0x00000100,
     /* The input light has mic_mute name */
     KEYBOARD_MIC_MUTE = 0x00000200,
+    /* The input light has mute name */
+    KEYBOARD_VOLUME_MUTE = 0x00000400,
 };
 
 enum class InputBatteryClass : uint32_t {