Add a flag to enable IsTagIntentAllowed API

Flag: android.nfc.nfc_check_tag_intent_preference
Bug: 335916336
Test: device_config put nfc android.nfc.nfc_check_tag_intent_preference true
Test: atest android.nfc.cts.NfcAdapterTest#testIsTagIntentAllowed
Test: atest android.nfc.cts.NfcAdapterTest#testIsTagIntentAppPreferenceSupported
Test: atest android.nfc.cts.NfcAdapterTest#testIsTagIntentAllowedWhenNotSupported
Change-Id: Ifa65d2fe627bc7fa61acc8b806d3daf204a563fb