Define Nfc statistic data atoms

Fix format of variable "packageName".

Test: Manual
Bug:116641110
Change-Id: I4f280e3f2540cf0fdce7c9c89393ce246e0825b2
diff --git a/bin/src/atoms.proto b/bin/src/atoms.proto
index 1942b2e..59778b5 100644
--- a/bin/src/atoms.proto
+++ b/bin/src/atoms.proto
@@ -4466,7 +4466,7 @@
   // SIMx or eSEx.
   optional string terminal = 2;
 
-  optional string packageName = 3;
+  optional string package_name = 3;
 }
 
 /**