Don't flash StrictMode from the system server.

        return new ThreadPolicy(oldPolicyMask);

    }

    // We don't want to flash the screen red in the system server

    // process, nor do we want to modify all the call sites of

    // conditionallyEnableDebugLogging() in the system server,

    // so instead we use this to determine if we are the system server.

    private static boolean amTheSystemServerProcess() {

        // Fast path.  Most apps don't have the system server's UID.

        if (Process.myUid() != Process.SYSTEM_UID) {

            return false;

        }

        // The settings app, though, has the system server's UID so

        // look up our stack to see if we came from the system server.

        Throwable stack = new Throwable();

        stack.fillInStackTrace();

        for (StackTraceElement ste : stack.getStackTrace()) {

            String clsName = ste.getClassName();

            if (clsName != null && clsName.startsWith("com.android.server.")) {

                return true;

            }

        }

        return false;

    }

    /**

     * Enable DropBox logging for debug phone builds.

     *

     * @hide

     */

    public static boolean conditionallyEnableDebugLogging() {

        boolean doFlashes = SystemProperties.getBoolean(VISUAL_PROPERTY, IS_ENG_BUILD);

        boolean doFlashes = !amTheSystemServerProcess() &&

                SystemProperties.getBoolean(VISUAL_PROPERTY, IS_ENG_BUILD);

        // For debug builds, log event loop stalls to dropbox for analysis.

        // Similar logic also appears in ActivityThread.java for system apps.