[harmony-demo-1] PlainViewI18N_LineView_UpdateTest and PlainViewI18N_LayoutTest fixed

[Tharindu Mathew]

https://issues.apache.org/jira/browse/HARMONY-5945
https://issues.apache.org/jira/browse/HARMONY-5943

1 error in PlainViewI18N_LayoutTest and 1 error in
PlainViewI18N_LineView_UpdateTest fixed.

Regards,

Tharindu