Merge "Cred mng app URI documentation" into sc-dev

import android.annotation.NonNull;

import android.annotation.Nullable;

import android.app.Activity;

import android.net.Uri;

import android.os.Parcel;

import android.os.Parcelable;

import org.xmlpull.v1.XmlSerializer;

import java.io.IOException;

import java.security.Principal;

import java.util.HashMap;

import java.util.HashSet;

import java.util.Map;

         * <p>

         * If this method is called with a package name and URI that was previously added, the

         * previous alias will be overwritten.

         * <p>

         * When the system tries to determine which alias to return to a requesting app calling

         * {@code KeyChain.choosePrivateKeyAlias}, it will choose the alias whose associated URI

         * exactly matches the URI provided in {@link KeyChain#choosePrivateKeyAlias(

         * Activity, KeyChainAliasCallback, String[], Principal[], Uri, String)} or the URI

         * built from the host and port provided in {@link KeyChain#choosePrivateKeyAlias(

         * Activity, KeyChainAliasCallback, String[], Principal[], String, int, String)}.

         *

         * @param appPackageName The app's package name to authenticate the user to.

         * @param uri            The URI to authenticate the user to.