8298343: "Could not confirm if TargetJDK is hardened." warning for SA tests on macosx-aarch64-debug

Reviewed-by: amenkov, kevinw

Author: plummercj

test/lib/jdk/test/lib/Platform.java

@@ -293,6 +293,10 @@ public static boolean isHardenedOSX() throws IOException {
                 isHardened = true;
                 System.out.println("Target JDK is hardened. Some tests may be skipped.");
             } else if (line.indexOf("flags=0x20002(adhoc,linker-signed)") != -1 ) {
+                hardenedStatusConfirmed = true;
+                isHardened = false;
+                System.out.println("Target JDK is adhoc linker-signed, but not hardened.");
+            } else if (line.indexOf("flags=0x2(adhoc)") != -1 ) {
                 hardenedStatusConfirmed = true;
                 isHardened = false;
                 System.out.println("Target JDK is adhoc signed, but not hardened.");