Make optional valgrind binaries +x.

Change-Id: If3417e0c8728c7c74badb12de734cf06e794619d
diff --git a/include/private/android_filesystem_config.h b/include/private/android_filesystem_config.h
index 3194bde..1db8065 100644
--- a/include/private/android_filesystem_config.h
+++ b/include/private/android_filesystem_config.h
@@ -202,6 +202,7 @@
 		 * in user builds. */
     { 06750, AID_ROOT,      AID_SHELL,     "system/bin/run-as" },
     { 00755, AID_ROOT,      AID_SHELL,     "system/bin/*" },
+    { 00755, AID_ROOT,      AID_ROOT,      "system/lib/valgrind/*" },
     { 00755, AID_ROOT,      AID_SHELL,     "system/xbin/*" },
     { 00755, AID_ROOT,      AID_SHELL,     "system/vendor/bin/*" },
     { 00750, AID_ROOT,      AID_SHELL,     "sbin/*" },