CEDS PLM issue fix

CEDS PLM issue fix

[model] Redwood
[binary_type] AP
[customer] Docomo/Orange/Open
[issue#] P130817-01970
[problem] Viewer tries to get the pixmap id while the service provider changes the size of PD buffer.
[cause] To resize the PD buffer, service provider should release the previous one first, at that time, the client can tries to get the pixmap id.
[solution] If the buffer is in resizing status, client library should try again to get the valid pixmap Id.
[team] HomeTF
[request]
[horizontal_expansion]

Change-Id: I7cf1f23d67369d574d10ef279a25fe878805869c