Fix format string in video_quality_analysis.cc.
Fix format string in video_quality_analysis.cc.

Fixes compilation errors on Android and Linux32 targets.

TBR=kjellander@webrtc.org
BUG=

Review URL: https://webrtc-codereview.appspot.com/2196005

Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: 319c98d6634e610c040ce9bad99bb05f750bcf47

sippet/webrtc,sippet/webrtc,sippet/webrtc,sippet/webrtc,sippet/webrtc,sippet/webrtc