dixie: cosmetics (line length, braces, etc)

Pass code through AStyle transform, wrap long lines.

Change-Id: Icffa4fc3e9835ec152285ae0e98a1ff3f46e42e6

• vp8/dixie/bool_decoder.h[diff]
• vp8/dixie/dixie.c[diff]
• vp8/dixie/dixie.h[diff]
• vp8/dixie/dixie_loopfilter.c[diff]
• vp8/dixie/idct_add.c[diff]
• vp8/dixie/modemv.c[diff]
• vp8/dixie/modemv_data.h[diff]
• vp8/dixie/predict.c[diff]
• vp8/dixie/tokens.c[diff]
• vp8/dixie/vp8_prob_data.h[diff]