libgralloc: Don't pad if debug.gralloc.map_fb_memory is set

Don't add adreno specific padding computed by libadreno_utils if
debug.gralloc.map_fb_memory is set.
Since this is a debug property, we can disable surface padding
when the property is enabled.

Change-Id: I5ff310483930f8da04f6955889eea3973fd3d342
CRs-fixed: 480925
1 file changed