Support XR devices for QuickShare DeviceType

PiperOrigin-RevId: 758009685

proto/sharing_enums.proto

@@ -538,6 +538,8 @@ enum DeviceType {
   TABLET = 2;
   LAPTOP = 3;
   CAR = 4;
+  FOLDABLE = 5;
+  XR = 6;
 }
 
 // TODO(fdi): may eventually include windows, iOS, etc.

sharing/advertisement.cc

@@ -101,6 +101,7 @@ bool IsKnownDeviceValue(int32_t value) {
     case 3:
     case 4:
     case 5:
+    case 6:
       return true;
     default:
       return false;

sharing/common/nearby_share_enums.h

@@ -57,6 +57,8 @@ enum class ShareTargetType {
   kCar = 4,
   // A foldable.
   kFoldable = 5,
+  // An XR device.
+  kXR = 6,
 };
 // LINT.ThenChange(
 //  //depot/google3/location/nearby/cpp/sharing/clients/proto/share_target.proto:ShareTarget.ShareTargetType,