Be less pedantic about DUMP permission messages

The DUMP permission test required the "Permission Denial" but that was a
bit too strict. Expanding it to capture messages like:

Security exception: Neither user N nor current process has android.permission.DUMP.

Bug: 10994315
Change-Id: Id0169ce1b5f08ddac986487b5737498ad1009480
diff --git a/tests/tests/security/src/android/security/cts/ServicePermissionsTest.java b/tests/tests/security/src/android/security/cts/ServicePermissionsTest.java
index 45f3d51..8c02d6b 100644
--- a/tests/tests/security/src/android/security/cts/ServicePermissionsTest.java
+++ b/tests/tests/security/src/android/security/cts/ServicePermissionsTest.java
@@ -131,7 +131,9 @@
             }
 
             if (lines.size() == 1) {
-                if (!lines.get(0).contains("Permission Denial")) {
+                String message = lines.get(0);
+                if (!message.contains("Permission Denial") &&
+                        !message.contains("android.permission.DUMP")) {
                     fail("dump() for " + service + " produced a single line which didn't "
                             + "reference a permission; it may be leaking sensitive data.");
                 }