Fix overriding of default (emulator) resolution

Open-webOS-DCO-1.0-Signed-off-by: Steve Lemke <steve.lemke@lge.com>

Change-Id: I4443f82065f4641fad940739e142a0d360ce3352
Reviewed-on: http://g2g.palm.com/1621
Tested-by: Steve Lemke <steve.lemke@lge.com>
Reviewed-by: Build Verification
Reviewed-by: Martin Jansa <martin.jansa@palm.com>
Reviewed-by: Steve Lemke <steve.lemke@lge.com>