gfxstream: stream-renderer: Add missing mapping for common format in getResourceInfo

Add format to list.

BUG=343234676
TEST=gfxstream guest ANGLE + gfxstream guest Zink + end2endtests

Change-Id: I94a0a930ef0a6afe371260734cf60af0d2efd6aa
diff --git a/host/virtio-gpu-gfxstream-renderer.cpp b/host/virtio-gpu-gfxstream-renderer.cpp
index e272368..9bd4aa5 100644
--- a/host/virtio-gpu-gfxstream-renderer.cpp
+++ b/host/virtio-gpu-gfxstream-renderer.cpp
@@ -1607,6 +1607,9 @@
             case VIRGL_FORMAT_B8G8R8A8_UNORM:
                 info->drm_fourcc = DRM_FORMAT_ARGB8888;
                 break;
+            case VIRGL_FORMAT_B8G8R8X8_UNORM:
+                info->drm_fourcc = DRM_FORMAT_XRGB8888;
+                break;
             case VIRGL_FORMAT_B5G6R5_UNORM:
                 info->drm_fourcc = DRM_FORMAT_RGB565;
                 bpp = 2U;