Switch NFC over to the public StandardCharsets.

Change-Id: I9704a7a8e6b8e6e4c52f60e2704d69993ee8aa41
Merge "Switch NFC over to the public StandardCharsets."
Merge remote-tracking branch 'goog/master'
Merge branch 'master' of https://github.com/AOSPXplus/android_packages_apps_Nfc