tegra3-common: Don't preload OpenGL in Zygote

Don't preload OpenGL in Zygote, the Tegra drivers do not like it.

Property is set for grouper, tf300t and other devices since CM 11. May help
with our memory leak problem.

Thanks to tejasphatak@XDA for pointing this out.

Change-Id: Ieadbc6fcfe3b9498ac9de0eb214560f37dc3b02d