Add comments for triggerRcsReconfiguration, notifyRcsAutoConfigurationReceived APIs.

Add comments for triggerRcsReconfiguration,
notifyRcsAutoConfigurationReceived APIs.
These methods are available if the device supports IMS.

Bug: 262826254
Test: atest ImsServiceTest
Change-Id: If4d9d6a43b62439aa520e9bc24ffa7185dab42c6
diff --git a/telephony/java/android/telephony/ims/ProvisioningManager.java b/telephony/java/android/telephony/ims/ProvisioningManager.java
index 6970cd5..37a6a7e 100644
--- a/telephony/java/android/telephony/ims/ProvisioningManager.java
+++ b/telephony/java/android/telephony/ims/ProvisioningManager.java
@@ -1688,7 +1688,8 @@
 
     /**
      * Notify the framework that an RCS autoconfiguration XML file has been received for
-     * provisioning.
+     * provisioning. This API is only valid if the device supports IMS, which can be checked using
+     * {@link PackageManager#hasSystemFeature}.
      *
      * <p>Requires Permission:
      * <ul>
@@ -1926,7 +1927,8 @@
 
     /**
      * Reconfiguration triggered by the RCS application. Most likely cause
-     * is the 403 forbidden to a HTTP request.
+     * is the 403 forbidden to a HTTP request. This API is only valid if the device supports IMS,
+     * which can be checked using {@link PackageManager#hasSystemFeature}
      *
      * <p>When this api is called, the RCS configuration for the associated
      * subscription will be removed, and the application which has registered