Rolllibvpx to 7a09f6b89268
Rolllibvpx to 7a09f6b89268

Relevant updates/fixes:

000c8414b510: Moved denoiser frame copy/updates out of loopfilter thread.
Multi-threading bug fix: http://code.google.com/p/webm/issues/detail?id=497

ef2248a2a376: Added work buffer for denoiser.
Denoiser bug fix: http://code.google.com/p/webm/issues/detail?id=485

464b1df6d45b: Updates to qp-regulate and rate correction factor.
Rate control improvement: http://code.google.com/p/webrtc/issues/detail?id=1153

TBR=andrew@webrtc.org, leozwang@google.com
Review URL: https://webrtc-codereview.appspot.com/981005

git-svn-id: 917f5d3ca488f358c4d40eaec14422cf392ccec9@3266 4adac7df-926f-26a2-2b94-8c16560cd09d

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