Add screen mirroring in Infotainment.vspec (#737)

Signed-off-by: Sungpil Shin <spshin@etri.re.kr>

spec/Cabin/Infotainment.vspec

@@ -247,6 +247,7 @@ HMI.DisplayOffDuration:
 SmartphoneProjection:
   type: branch
   description: All smartphone projection actions.
+  comment: Smartphone projection exposes or controls specific applications on the Smartphone on the vehicle infotainment system.
 
 SmartphoneProjection.Active:
   datatype: string
@@ -260,11 +261,30 @@ SmartphoneProjection.Source:
   type: actuator
   allowed: ['USB', 'BLUETOOTH', 'WIFI']
   description: Connectivity source selected for projection.
+  comment: Smartphone projection exposes or controls specific applications on the Smartphone on the vehicle infotainment system.
 
 SmartphoneProjection.SupportedMode:
   datatype: string[]
   type: attribute
   allowed: [ 'ANDROID_AUTO', 'APPLE_CARPLAY', 'MIRROR_LINK', 'OTHER' ]
   description: Supportable list for projection.
 
+SmartphoneScreenMirroring:
+  type: branch
+  description: All smartphone screen mirroring actions.
+  comment: Smartphone screen mirroring mirrors the whole screen of the Smartphone on the vehicle infotainment system.
+
+SmartphoneScreenMirroring.Active:
+  datatype: string
+  type: actuator
+  allowed: [ 'NONE', 'ACTIVE', 'INACTIVE' ]
+  description: Mirroring activation info.
+  comment: NONE indicates that mirroring is not supported.
+
+SmartphoneScreenMirroring.Source:
+  datatype: string
+  type: actuator
+  allowed: ['USB', 'BLUETOOTH', 'WIFI']
+  description: Connectivity source selected for mirroring.
+
 #include include/PowerOptimize.vspec