nfc(flags): Set min_sdk to 34

Bug: 355312096  
Change-Id: I7eb78831796dd09eb0c538bd8e3826b79dfe4e33
Test: Compiles
diff --git a/AconfigFlags.bp b/AconfigFlags.bp
index 9fc4fff..3c39269 100644
--- a/AconfigFlags.bp
+++ b/AconfigFlags.bp
@@ -279,6 +279,7 @@
     name: "android_nfc_flags_aconfig_c_lib",
     vendor_available: true,
     aconfig_declarations: "android.nfc.flags-aconfig",
+    min_sdk_version: "34",
     apex_available: [
         "//apex_available:platform",
         "com.android.nfcservices",