Introduce erase modem config api

Introduce erase modem config api

Bug: 140944289
Test: Tested on Device
Change-Id: I55d9d1d84ab48fa494d42c22b0d3ac7657f8c44f
Merged-In: I55d9d1d84ab48fa494d42c22b0d3ac7657f8c44f
diff --git a/src/java/com/android/internal/telephony/Phone.java b/src/java/com/android/internal/telephony/Phone.java
index 5856ad1..e4b4b02 100644
--- a/src/java/com/android/internal/telephony/Phone.java
+++ b/src/java/com/android/internal/telephony/Phone.java
@@ -2318,6 +2318,15 @@
         mCi.nvResetConfig(3 /* factory NV reset */, response);
     }
 
+    /**
+     * Perform modem configuration erase. Used for network reset
+     *
+     * @param response Callback message.
+     */
+    public void eraseModemConfig(Message response) {
+        mCi.nvResetConfig(2 /* erase NV */, response);
+    }
+
     public void notifyDataActivity() {
         mNotifier.notifyDataActivity(this);
     }