fix pathops skp-derived bugs; add more failing tests

tests/PathOpsSkpClipTest.cpp

 #include "CrashHandler.h"
 // #include "OverwriteLine.h"
 #include "Resources.h"
 #include "SkBitmap.h"
 #include "SkCanvas.h"
 #include "SkColor.h"
 #include "SkColorPriv.h"
 #include "SkCommandLineFlags.h"
 #include "SkDevice.h"
 #include "SkForceLinking.h"
@@ skipping 20 matching lines @@
 const struct SkipOverTest {
     int directory;
     const char* filename;
     bool blamePathOps;
 } skipOver[] = {
     { 2, "http___www_groupon_sg_.skp", false},  // SkAAClip::Builder::addRun SkASSERT(fBounds.contains(x, y));
     { 6, "http___www_googleventures_com_.skp", true},  // addTCoincident SkASSERT(test->fT < 1);
     { 7, "http___www_foxsports_nl_.skp", true},  // (no repro on mac) addT SkASSERT(this != other || fVerb == SkPath::kCubic_Verb)
     {13, "http___www_modernqigong_com_.skp", false},  // SkAAClip::Builder::addRun SkASSERT(fBounds.contains(x, y));
     {14, "http___www_devbridge_com_.skp", true},  // checkSmallCoincidence SkASSERT(!next->fSmall || checkMultiple);
-    {16, "http___www_1023world_net_.skp", true},  // bitmap decode assert (corrupt skp?)
+    {16, "http___www_1023world_net_.skp", false},  // bitmap decode assert (corrupt skp?)
     {19, "http___www_alamdi_com_.skp", true},  // cubic/quad intersection
     {26, "http___www_liveencounters_net_.skp", true},  // (no repro on mac) checkSmall addT:549 (line, expects cubic)
     {28, "http___www_encros_fr_.skp", false},  // SkAAClip::Builder::addRun SkASSERT(fBounds.contains(x, y));
     {37, "http___www_familysurvivalprotocol_wordpress_com_.skp", true},  // bumpSpan SkASSERT(span->fOppValue >= 0);
     {39, "http___sufeinet_com_.skp", false}, // bitmap decode assert (corrupt skp?)
     {41, "http___www_rano360_com_.skp", true}, // checkSmallCoincidence SkASSERT(!next->fSmall || checkMultiple);
     {44, "http___www_firstunitedbank_com_.skp", true},  // addTCancel SkASSERT(oIndex > 0);
     {46, "http___www_shinydemos_com_.skp", true},  // addSimpleAngle SkASSERT(index == count() - 2);
     {48, "http___www_familysurvivalprotocol_com_.skp", true},  // bumpSpan SkASSERT "span->fOppValue >= 0"
     {57, "http___www_lptemp_com_.skp", true}, // addTCoincident oPeek = &other->fTs[++oPeekIndex];
@@ skipping 1060 matching lines @@
     }
     SkGraphics::Term();
     return 0;
 }
 
 #if !defined(SK_BUILD_FOR_IOS) && !defined(SK_BUILD_FOR_NACL)
 int main(int argc, char * const argv[]) {
     return tool_main(argc, (char**) argv);
 }
 #endif