Merge change 6868 into donut

* changes:
  Test to ensure that /sdcard is mounted with security-critical options.

tests/fstest/mounts-test.sh

@@ -0,0 +1,23 @@
+#!/bin/sh
+
+rtrn=0
+
+adb shell mount | grep -q /sdcard
+if [ 0 -ne $? ]
+then
+    echo FAILURE: /sdcard is not mounted
+    exit 1
+fi
+
+for i in nosuid noexec
+do
+    adb shell mount | grep /sdcard | grep -q $i
+    if [ 0 -ne $? ]
+    then
+        echo FAILURE: /sdcard is not mounted $i
+        rtrn=$(expr $rtrn + 1)
+    fi
+done
+
+exit $rtrn
+