Making Process.NFC_UID SystemApi for modules

In order for Bluetooth to be a mainline module, we need to
remove all hidden APIs calls from and to it. NFC_UID is
used inside BluetoothManagerService so we need to be able
to access it.

Tag: #feature
Test: make
Bug: 211851706
Change-Id: Ie778c4467f5db1efa1f759c405373cc3e34747ca
2 files changed