services: Introduce NativeDaemonConnector class

This class provides an interface to communicate with native daemons using the
libsysutils framework communication code.

Signed-off-by: San Mehat <san@google.com>

NativeDaemonConnector: fix whitespace

Signed-off-by: San Mehat <san@google.com>

NativeDaemonConnector: Fix review comments

Signed-off-by: San Mehat <san@google.com>

NativeDaemonConnector: On an error, re-try the connection

Signed-off-by: San Mehat <san@google.com>

services/java/com/android/server/INativeDaemonConnectorCallbacks.java

@@ -0,0 +1,24 @@
+
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server;
+
+interface INativeDaemonConnectorCallbacks {
+
+    void onDaemonConnected();
+    boolean onEvent(int code, String raw, String[] cooked);
+}