frameworks/base: Support for third party NFC features

Integration of below modifications are necessary to support
third party NFC software:

* a new interface in INfcAdapter.aidl allowing vendor specific
  extensions and features
* a new size for MIFARE Classic tags
* a modified constructor to distinguish MIFARE Classic tags
  from NfcA tags
* allowing extensions to AidGroup and changing the protection
  of the instance variables to package protected

Change-Id: Ic11dc68c4ea83262c705ec50b75b5808aa064f82
(integrated from commit 57a001b7851c97d41f042dda643f9a87aa6306e5)