JackyChen 57c7c11633 vp9: Fix a bug where best_sse_mv is not set properly.
In VP9 internal denoiser, motion magnitude is computed from
best_sse_mv, which should be set to 0 at the begining. This bug may
cause visual aritifact in denoiser. Also, delete two improper comments.

Change-Id: I8710d2acba23320bc85cf72af17d65245c19438b
2016-04-25 11:44:40 -07:00
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