Fix array index oob in Matrix3f.loadRotate().

https://code.google.com/p/android/issues/detail?id=42860

Change-Id: Idbf18576da3ad5b84b4209147dad34cc2f9044d2
One more fix for incorrect indices.

Change-Id: I283f2f09cd0a17eefed4a763b08df856bbae76b3