Modify Open Mobile API to follow Android API guidelines

- Add @Nullable/@NonNull to input arguments for APIs
- Remove deprecated methods openBasicChannel(aid) and
  openLogicalChannel(aid)
- SecureElementListener is converted to a stand-alone interface
- serviceConnected() callback is renamed to onServiceConnected()

Bug: 64994044
Test: Run Cts Test
Change-Id: I503044a26a81dae8befb87fb8e8ac96d19de883b
6 files changed