Merge "CallScreeningService API changed."

package android.telecom;

import android.annotation.IntDef;

import android.annotation.NonNull;

import android.annotation.SdkConstant;

import android.app.Service;

import com.android.internal.telecom.ICallScreeningAdapter;

import com.android.internal.telecom.ICallScreeningService;

import java.lang.annotation.Retention;

import java.lang.annotation.RetentionPolicy;

/**

 * This service can be implemented by the default dialer (see

 * {@link TelecomManager#getDefaultDialerPackage()}) or a third party app to allow or disallow

 *

 * public void requestRole() {

 *     RoleManager roleManager = (RoleManager) getSystemService(ROLE_SERVICE);

 *     Intent intent = roleManager.createRequestRoleIntent("android.app.role.CALL_SCREENING");

 *     Intent intent = roleManager.createRequestRoleIntent(RoleManager.ROLE_CALL_SCREENING);

 *     startActivityForResult(intent, REQUEST_ID);

 * }

 *