Modify how the malloc debug tests run.

This will, hopefully, reduce the number of flaky runs of this test.

Add skipping xml files for the notice file parser.

Bug: 280572235

Test: atest malloc_debug_system_tests
Change-Id: I6fb76287f55d0cff5b695dce09cc2b7a69b62874
diff --git a/libc/tools/generate_notice.py b/libc/tools/generate_notice.py
index e004d74..505708a 100755
--- a/libc/tools/generate_notice.py
+++ b/libc/tools/generate_notice.py
@@ -33,6 +33,7 @@
         ".pyc",
         ".swp",
         ".txt",
+        ".xml",
     ]
     if path.suffix in uninteresting_extensions:
         return False