Merge "Allow unexported receiver registration for sandbox" into tm-dev

    public Intent registerReceiverWithFeature(IApplicationThread caller, String callerPackage,

            String callerFeatureId, String receiverId, IIntentReceiver receiver,

            IntentFilter filter, String permission, int userId, int flags) {

        // Allow Sandbox process to register only unexported receivers.

        if ((flags & Context.RECEIVER_NOT_EXPORTED) != 0) {

            enforceNotIsolatedCaller("registerReceiver");

        } else {

            enforceNotIsolatedOrSdkSandboxCaller("registerReceiver");

        }

        ArrayList<Intent> stickyIntents = null;

        ProcessRecord callerApp = null;

        final boolean visibleToInstantApps