amazon omap4-common: reduce bootanimation settings to fix theme bootanimations

- Currently seeing memory crashes on larger screens due to preload/caching
- To make bootanimation smooth downgrade to 565
- To enable all possible bootanimations on themes, keep settings low.
(Nothing sucks worse than a boot loop)

Change-Id: Icee8b48d1fa1fb35db202d7fb7ec599b2992a548