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Requires no permissions:
- Viewing UID, type of discovered tags and cards.
- Viewing the NDEF message contents of NDEF formatted tags and cards.

Requires android.permission.NFC
- Get/Set the local tag "MyTag"
- Creating or using a RawTagConnection (transceive())
- Creating or using a NdefTagConnection (write()/read())

Change-Id: I31f2336a81a7151063969f9019da9aaf08092d65
Signed-off-by: Nick Pelly <npelly@google.com>