Add native support for BaseDexClassLoader shared libraries.

bug: 112405321
Test: 688-shared-library
Change-Id: Ia993b3ded71d4491a59fb78b0282eacdb66634bd
diff --git a/test/knownfailures.json b/test/knownfailures.json
index e27a4d6..3cc58ac 100644
--- a/test/knownfailures.json
+++ b/test/knownfailures.json
@@ -1024,6 +1024,7 @@
                   "677-fsi2",
                   "678-quickening",
                   "679-locks",
+                  "688-shared-library",
                   "999-redefine-hiddenapi",
                   "1000-non-moving-space-stress",
                   "1951-monitor-enter-no-suspend"],