fix path ops fuzz buster

Mark collapsed segments as done and remove collapsed
segment references from the coincidence array.

Also add test names to global debugging.

R=fmalita@chromium.org
BUG=512592

Review URL: https://codereview.chromium.org/1250293002
diff --git a/src/pathops/SkPathOpsSimplify.cpp b/src/pathops/SkPathOpsSimplify.cpp
index 11b6833..8c07653 100644
--- a/src/pathops/SkPathOpsSimplify.cpp
+++ b/src/pathops/SkPathOpsSimplify.cpp
@@ -167,7 +167,7 @@
     SkOpCoincidence coincidence;
     SkOpContour contour;
     SkOpContourHead* contourList = static_cast<SkOpContourHead*>(&contour);
-    SkOpGlobalState globalState(&coincidence, contourList);
+    SkOpGlobalState globalState(&coincidence, contourList  SkDEBUGPARAMS(NULL));
 #if DEBUG_SORT
     SkPathOpsDebug::gSortCount = SkPathOpsDebug::gSortCountDefault;
 #endif