tree b4d160a6b9376fff5a1ca48e863d5224f5523c68
parent a0b4ac56c1a14ebc33e7308aae8975ae2c458232
author Hyunyoung Song <hyunyoungs@google.com> 1490751836 -0700
committer Hyunyoung Song <hyunyoungs@google.com> 1490808321 -0700

Fine tune the circle detection

Decreased the pixel_diff_percentage from 10% to 0.5% by
not counting the pixel_diff around the mask path outline.

Verified that this implementation works well on both Pixel/PixelXL

b/36563706

Change-Id: I8bb488f550a67e2188eff4c4b9e7717e979a741c