Copy sdk_version to cc library snapshots

Bug: 142935992
Test: m nothing
Change-Id: Ib77c548b1971c841749c87115108af8b092bb809
diff --git a/cc/library_sdk_member.go b/cc/library_sdk_member.go
index 16b9e6f..a262697 100644
--- a/cc/library_sdk_member.go
+++ b/cc/library_sdk_member.go
@@ -97,6 +97,13 @@
 
 func (mt *librarySdkMemberType) AddPrebuiltModule(sdkModuleContext android.ModuleContext, builder android.SnapshotBuilder, member android.SdkMember) android.BpModule {
 	pbm := builder.AddPrebuiltModule(member, mt.prebuiltModuleType)
+
+	ccModule := member.Variants()[0].(*Module)
+
+	sdkVersion := ccModule.SdkVersion()
+	if sdkVersion != "" {
+		pbm.AddProperty("sdk_version", sdkVersion)
+	}
 	return pbm
 }