Add GET_GLYPH_METRICS to onlyOnceOperations in GetTextDirection
Add GET_GLYPH_METRICS to onlyOnceOperations in GetTextDirection

To get glyph metrics, add GET_GLYPH_METRICS to onlyOnceOperations in
GetTextDirection.

Change-Id: I48978751c77738ef586e840985c2eafd49182d9b
Signed-off-by: minho.sun <df102007110b740670f44c5149a3630825181323@samsung.com>

dalihub/dali-toolkit,dalihub/dali-toolkit,dalihub/dali-toolkit,dalihub/dali-toolkit