nfc(api): Add a event log to indicate data migration

Also, fix the sendVendorNciMEssage implementation to use the right
helper method.

Bug: 377358559
Test: Verified data migration on upgrade to a build with google package
name
Flag: com.android.nfc.RELEASE_NFC_MAINLINE_MODULE

Change-Id: Ibe5e15d29fa5f804cee42fb691361905bbeb0736