ART: Reset runtime_throw_failure flag

The flag is instruction-specific. It transports the info from Fail
to the main loop. It must be cleared after each iteration.

Introduce a second flag to store whether we saw such a failure at
all.

Update test expectations.

Bug: 22080519
Change-Id: I32be914819946233babaa4cb7343844d97b61ba5
diff --git a/test/800-smali/src/Main.java b/test/800-smali/src/Main.java
index 14d2e43..cc194d5 100644
--- a/test/800-smali/src/Main.java
+++ b/test/800-smali/src/Main.java
@@ -87,7 +87,7 @@
                 null));
         testCases.add(new TestCase("b/21873167", "B21873167", "test", null, null, null));
         testCases.add(new TestCase("b/21614284", "B21614284", "test", new Object[] { null },
-            new NullPointerException(), null));
+                new NullPointerException(), null));
         testCases.add(new TestCase("b/21902684", "B21902684", "test", null, null, null));
         testCases.add(new TestCase("b/22045582", "B22045582", "run", null, new VerifyError(),
                 0));
@@ -96,7 +96,9 @@
         testCases.add(new TestCase("b/22045582 (wide)", "B22045582Wide", "run", null,
                 new VerifyError(), 0));
         testCases.add(new TestCase("b/21886894", "B21886894", "test", null, new VerifyError(),
-            null));
+                null));
+        testCases.add(new TestCase("b/22080519", "B22080519", "run", null,
+                new NullPointerException(), null));
     }
 
     public void runTests() {