fix left/right ribbon height

Thabks to creeve4 for finding this.

Change-Id: Ie5e0a9b394135d19ec190f92db91830e13dc1d1f
Signed-off-by: Dirk Rettschlag <dirk.rettschlag@gmail.com>

Conflicts:
	packages/SystemUI/src/com/android/systemui/aokp/AokpSwipeRibbon.java