huiwan e54349fda5 PrintSpooler: fix monkey crash if height&width small than 0
During the monkey test, should add check height & width before
create the bitmap, to avoid the monkey test fail.

Change-Id: I5619c30af63afa3d74d0417e37c67c4920e099ba
Test: build & run
2017-08-14 16:17:38 +08:00
..
2017-04-01 22:30:30 -07:00