Replace SkFAIL with SK_ABORT.

SkFAIL is a legacy macro which is just SK_ABORT. This CL mechanically
changes uses of SkFAIL to SK_ABORT in preparation for its removal. The
related sk_throw macro will be changed independently, due to needing to
actually clean up its users.

Change-Id: Id70b5c111a02d2458dc60c8933f444df27d9cebb
Reviewed-on: https://skia-review.googlesource.com/35284
Reviewed-by: Derek Sollenberger <djsollen@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
diff --git a/src/ports/SkFontMgr_FontConfigInterface.cpp b/src/ports/SkFontMgr_FontConfigInterface.cpp
index 6264710..99092b6 100644
--- a/src/ports/SkFontMgr_FontConfigInterface.cpp
+++ b/src/ports/SkFontMgr_FontConfigInterface.cpp
@@ -176,11 +176,11 @@
     }
 
     void onGetFamilyName(int index, SkString* familyName) const override {
-        SkFAIL("Not implemented.");
+        SK_ABORT("Not implemented.");
     }
 
     SkFontStyleSet* onCreateStyleSet(int index) const override {
-        SkFAIL("Not implemented.");
+        SK_ABORT("Not implemented.");
         return nullptr;
     }