Add supported URI scheme to PhoneAccounts. (2/4)

Added new SipManager intent used to communicate a change in the
SIP call option to the Telephony layer.

Bug: 17140110
Change-Id: Ie2133c33bf19552f29c86a67c142d08a6f0e6135
diff --git a/src/java/android/net/sip/SipManager.java b/src/java/android/net/sip/SipManager.java
index a94232a..715acfb 100644
--- a/src/java/android/net/sip/SipManager.java
+++ b/src/java/android/net/sip/SipManager.java
@@ -108,6 +108,17 @@
      */
     public static final String ACTION_SIP_REMOVE_PHONE =
             "com.android.phone.SIP_REMOVE_PHONE";
+
+    /**
+     * Action string for the SIP call option configuration changed intent.
+     * This is used to communicate  change to the SIP call option, triggering re-registration of
+     * the SIP phone accounts.
+     * Internal use only.
+     * @hide
+     */
+    public static final String ACTION_SIP_CALL_OPTION_CHANGED =
+            "com.android.phone.SIP_CALL_OPTION_CHANGED";
+
     /**
      * Part of the ACTION_SIP_ADD_PHONE and ACTION_SIP_REMOVE_PHONE intents.
      * Internal use only.