Account for row slack in upload/download of textures am: b54151909c am: 0f137cb2f4 am: 5893ed215d

Original change: https://googleplex-android-review.googlesource.com/c/device/generic/goldfish-opengl/+/11854592

Change-Id: I9f5bccfb13bfff5cd35f3689627180d762f22f0e