[framework] Add a flag for nfc persist log.

Bug: 321310044
Test: compile
Flag: android.nfc.nfc_persist_log
Merged-In: I02cd23588957aeaa9bce52f13c6f563ef837874b
Change-Id: I02cd23588957aeaa9bce52f13c6f563ef837874b
diff --git a/nfc/java/android/nfc/flags.aconfig b/nfc/java/android/nfc/flags.aconfig
index c5cc547..45036a5 100644
--- a/nfc/java/android/nfc/flags.aconfig
+++ b/nfc/java/android/nfc/flags.aconfig
@@ -109,3 +109,11 @@
     bug: "321311407"
 }
 
+flag {
+    name: "nfc_persist_log"
+    is_exported: true
+    namespace: "nfc"
+    description: "Enable NFC persistent log support"
+    bug: "321310044"
+}
+