Consolidate SK_CRASH and sk_throw into SK_ABORT

TBR=reed@google.com
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1648343003

Review URL: https://codereview.chromium.org/1648343003
diff --git a/tools/Stats.h b/tools/Stats.h
index 12c1d35..557a2a5 100644
--- a/tools/Stats.h
+++ b/tools/Stats.h
@@ -62,7 +62,7 @@
             s /= (max - min);
             s *= (SK_ARRAY_COUNT(kBars) - 1);
             const size_t bar = (size_t)(s + 0.5);
-            SK_ALWAYSBREAK(bar < SK_ARRAY_COUNT(kBars));
+            SkASSERT_RELEASE(bar < SK_ARRAY_COUNT(kBars));
             plot.append(kBars[bar]);
         }
     }