Revert "Blacklist test that times out."

bug: 36501991

This reverts commit 882ea47197b59d812429ea2d788a96d5dcb2b77f.

Change-Id: I4f1dbad2c32422f069b1948df2152d1fb285ec3a
diff --git a/test/knownfailures.json b/test/knownfailures.json
index fd2a317..2de34ca 100644
--- a/test/knownfailures.json
+++ b/test/knownfailures.json
@@ -362,10 +362,5 @@
         "description": ["Disable 638-checker-inline-caches temporarily until a fix",
                         "arrives."],
         "bug": "http://b/36371709"
-    },
-    {
-        "tests": "080-oom-throw",
-        "bug": "http://b/36501991",
-        "variant": "interpreter & target"
     }
 ]