Add network service discovery broadcast

Allows apps to know if user has the feature turned off

Change-Id: I2d2fecb148eb4e48eb4aea51d1d7643a82df5c52

Author: isheriff

api/current.txt

@@ -12439,10 +12439,14 @@ package android.net.nsd {
     method public void resolveService(android.net.nsd.NsdManager.Channel, java.lang.String, java.lang.String, android.net.nsd.NsdManager.DnsSdResolveListener);
     method public void stopServiceDiscovery(android.net.nsd.NsdManager.Channel, android.net.nsd.NsdManager.ActionListener);
     method public void unregisterService(android.net.nsd.NsdManager.Channel, int, android.net.nsd.NsdManager.ActionListener);
+    field public static final java.lang.String ACTION_NSD_STATE_CHANGED = "android.net.nsd.STATE_CHANGED";
     field public static final int ALREADY_ACTIVE = 3; // 0x3
     field public static final int BUSY = 2; // 0x2
     field public static final int ERROR = 0; // 0x0
+    field public static final java.lang.String EXTRA_NSD_STATE = "nsd_state";
     field public static final int MAX_REGS_REACHED = 4; // 0x4
+    field public static final int NSD_STATE_DISABLED = 1; // 0x1
+    field public static final int NSD_STATE_ENABLED = 2; // 0x2
     field public static final int UNSUPPORTED = 1; // 0x1
   }
 

core/java/android/net/nsd/NsdManager.java

@@ -141,10 +141,9 @@ public class NsdManager {
      * information as int.
      *
      * @see #EXTRA_NSD_STATE
-     * @hide
      */
     @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
-    public static final String NSD_STATE_CHANGED_ACTION =
+    public static final String ACTION_NSD_STATE_CHANGED =
         "android.net.nsd.STATE_CHANGED";
 
     /**
@@ -153,23 +152,20 @@ public class NsdManager {
      *
      * @see #NSD_STATE_DISABLED
      * @see #NSD_STATE_ENABLED
-     * @hide
      */
     public static final String EXTRA_NSD_STATE = "nsd_state";
 
     /**
      * Network service discovery is disabled
      *
      * @see #NSD_STATE_CHANGED_ACTION
-     * @hide
      */
     public static final int NSD_STATE_DISABLED = 1;
 
     /**
      * Network service discovery is enabled
      *
      * @see #NSD_STATE_CHANGED_ACTION
-     * @hide
      */
     public static final int NSD_STATE_ENABLED = 2;