Add satellite modem busy error code.

Bug: 275670811
Change-Id: Ia90d0d2378f30660d912bc57a88e4c2bcbb2a047

telephony/java/android/telephony/satellite/SatelliteManager.java

@@ -278,6 +278,11 @@ public class SatelliteManager {
      */
     public static final int SATELLITE_REQUEST_IN_PROGRESS = 21;
 
+    /**
+     * Satellite modem is currently busy due to which current request cannot be processed.
+     */
+    public static final int SATELLITE_MODEM_BUSY = 22;
+
     /** @hide */
     @IntDef(prefix = {"SATELLITE_"}, value = {
             SATELLITE_ERROR_NONE,
@@ -301,7 +306,8 @@ public class SatelliteManager {
             SATELLITE_NOT_REACHABLE,
             SATELLITE_NOT_AUTHORIZED,
             SATELLITE_NOT_SUPPORTED,
-            SATELLITE_REQUEST_IN_PROGRESS
+            SATELLITE_REQUEST_IN_PROGRESS,
+            SATELLITE_MODEM_BUSY
     })
     @Retention(RetentionPolicy.SOURCE)
     public @interface SatelliteError {}