Differentiate sdk snapshot include dir by os type

Test: m nothing
Change-Id: Ide032aa64bb1fee69969c5e007bee6643d475309
diff --git a/cc/library_sdk_member.go b/cc/library_sdk_member.go
index 9c54399..4b9eb30 100644
--- a/cc/library_sdk_member.go
+++ b/cc/library_sdk_member.go
@@ -234,7 +234,7 @@
 	for _, propertyInfo := range includeDirProperties {
 		// Calculate the base directory in the snapshot into which the files will be copied.
 		// lib.ArchType is "" for common properties.
-		targetDir := filepath.Join(libInfo.archType, propertyInfo.snapshotDir)
+		targetDir := filepath.Join(libInfo.OsPrefix(), libInfo.archType, propertyInfo.snapshotDir)
 
 		propertyName := propertyInfo.propertyName