Define a new SIM state for essential records loaded

This represents the state before SIM_STATE_LOADED, when only the
essential records have been loaded.

Change-Id: I00740eac87fcb3cfa8dda371099177e0c1503c76
CRs-Fixed: 3095791
diff --git a/extphone/src/com/qti/extphone/ExtTelephonyManager.java b/extphone/src/com/qti/extphone/ExtTelephonyManager.java
index 9b50c4f..641f43e 100644
--- a/extphone/src/com/qti/extphone/ExtTelephonyManager.java
+++ b/extphone/src/com/qti/extphone/ExtTelephonyManager.java
@@ -69,6 +69,12 @@
     private AtomicBoolean mServiceConnected = new AtomicBoolean();
 
     /**
+     * This represents the state of the SIM before SIM_STATE_LOADED, when only the
+     * essential records have been loaded.
+     */
+    public static final String SIM_STATE_ESSENTIAL_RECORDS_LOADED = "ESSENTIAL_LOADED";
+
+    /**
      * Intent action broadcasted when Sms Callback Mode changed.
      */
     public static final String ACTION_SMS_CALLBACK_MODE_CHANGED =