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/tests/CachedDataTest.cpp b/tests/CachedDataTest.cpp
index c3fc9a4..6c44161 100644
--- a/tests/CachedDataTest.cpp
+++ b/tests/CachedDataTest.cpp
@@ -30,7 +30,7 @@
     if (pool) {
         SkDiscardableMemory* dm = pool->create(size);
         // the pool "can" return null, but it shouldn't in these controlled conditions
-        SK_ALWAYSBREAK(dm);
+        SkASSERT_RELEASE(dm);
         return new SkCachedData(size, dm);
     } else {
         return new SkCachedData(sk_malloc_throw(size), size);