Add skip for 715 in redefine-stress

This test requires annotations that slicer does not keep around.

Bug: 37239009
Test: ./test.py --host -j50
Test: ./test.py --host --redefine-stress -j50
Change-Id: I340519ca74c84c6d476a3e2b8392bc51fa050e56
diff --git a/test/knownfailures.json b/test/knownfailures.json
index 2bf09c3..5fb7819 100644
--- a/test/knownfailures.json
+++ b/test/knownfailures.json
@@ -504,6 +504,7 @@
     {
         "tests": [
             "031-class-attributes",
+            "715-clinit-implicit-parameter-annotations",
             "911-get-stack-trace"
         ],
         "description": [