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/EventHub.cpp b/services/inputflinger/reader/EventHub.cpp
index 35ba48f..013ef86 100644
--- a/services/inputflinger/reader/EventHub.cpp
+++ b/services/inputflinger/reader/EventHub.cpp
@@ -129,7 +129,8 @@
          {"multi_intensity", InputLightClass::MULTI_INTENSITY},
          {"max_brightness", InputLightClass::MAX_BRIGHTNESS},
          {"kbd_backlight", InputLightClass::KEYBOARD_BACKLIGHT},
-         {"mic_mute", InputLightClass::KEYBOARD_MIC_MUTE}};
+         {"mic_mute", InputLightClass::KEYBOARD_MIC_MUTE},
+         {"mute", InputLightClass::KEYBOARD_VOLUME_MUTE}};
 
 // Mapping for input multicolor led class node names.
 // https://www.kernel.org/doc/html/latest/leds/leds-class-multicolor.html