FileSystemPermissionTest: allow /dev/hw_random

Bug: 9191279
Change-Id: I942276cea18619e01be8d18de903314601e97e5f
diff --git a/tests/tests/permission/src/android/permission/cts/FileSystemPermissionTest.java b/tests/tests/permission/src/android/permission/cts/FileSystemPermissionTest.java
index 3a3e672..300bfaf 100644
--- a/tests/tests/permission/src/android/permission/cts/FileSystemPermissionTest.java
+++ b/tests/tests/permission/src/android/permission/cts/FileSystemPermissionTest.java
@@ -674,6 +674,7 @@
                 new File("/dev/binder"),
                 new File("/dev/full"),
                 new File("/dev/genlock"),    // b/9035217
+                new File("/dev/hw_random"),  // b/9191279
                 new File("/dev/ion"),
                 new File("/dev/kgsl-3d0"),   // b/9035217
                 new File("/dev/log/events"), // b/9035217