Reset fullscreen task clipping

* Accidentally removed fullscreen task clipping
and put it in the split block
* Also fixed a copy/pasta bug where we were always looking
at the leftTaskPercet instead of topTaskPercent for portrait
split

Fixes: 258714015
Test: FullscreenDrawParamsTest passes
Change-Id: If9419f50218a912ce85d992a874cb983b08a946a
1 file changed