Refactor nfc preference controller

- Remove BaseNfcPreferenceController.
- NfcPreferenceController inherit from TogglePreferenceController.
- AndroidBeamPreferenceController inherit from BasePreferenceController.
- Override getIntentFilter in NfcPreferenceController to listen changes.
- Add an API (hasAsyncUpdate) into BasePreferenceController to
distinguish the setting which is updated asynchronously.

Change-Id: I7c9c48ea7f1ad01a02524beabf9d30baa3db891f
Fixes: 67997761
Fixes: 74887543
Test: RunSettingsRoboTests

tests/robotests/src/com/android/settings/nfc/AndroidBeamPreferenceControllerTest.java

@@ -72,7 +72,8 @@ public class AndroidBeamPreferenceControllerTest {
                 UserManager.DISALLOW_OUTGOING_BEAM, UserHandle.myUserId())).thenReturn(false);
         when(NfcAdapter.getDefaultAdapter(mContext)).thenReturn(mNfcAdapter);
 
-        mAndroidBeamController = new AndroidBeamPreferenceController(mContext);
+        mAndroidBeamController = new AndroidBeamPreferenceController(mContext,
+                AndroidBeamPreferenceController.KEY_ANDROID_BEAM_SETTINGS);
         mAndroidBeamPreference = new RestrictedPreference(RuntimeEnvironment.application);
         when(mScreen.findPreference(mAndroidBeamController.getPreferenceKey())).thenReturn(
                 mAndroidBeamPreference);