Add icon translations to Google Mail (#111660)

homeassistant/components/google_mail/icons.json

@@ -0,0 +1,5 @@
+{
+  "services": {
+    "set_vacation": "mdi:beach"
+  }
+}

homeassistant/components/google_mail/sensor.py

@@ -22,7 +22,6 @@ SCAN_INTERVAL = timedelta(minutes=15)
 SENSOR_TYPE = SensorEntityDescription(
     key="vacation_end_date",
     translation_key="vacation_end_date",
-    icon="mdi:clock",
     device_class=SensorDeviceClass.TIMESTAMP,
 )