Merge "Added system property to enable MultiuserDeprecationReporter." into main

import android.os.Build;

import android.os.Handler;

import android.os.Process;

import android.os.SystemProperties;

import android.os.UserHandle;

import android.util.ArraySet;

import android.util.SparseIntArray;

 */

final class MultiuserDeprecationReporter {

    private static final String PROP_ENABLE_IT = "fw.user.log_deprecation";

    private static final int PROP_ENABLED = 1;

    private static final int PROP_DEFAULT = -1;

    private final Handler mHandler;

    // TODO(b/414326600): merge collections below and/or use the proper proto / structure

    // Key is "absolute" uid  / app id (i.e., stripping out the user id part), value is count.

    @Nullable // Only set on debuggable builds

    @Nullable

    private final SparseIntArray mGetMainUserCalls;

    // Key is "absolute" uid  / app id (i.e., stripping out the user id part), value is count.

    @Nullable // Only set on debuggable builds

    @Nullable

    private final SparseIntArray mIsMainUserCalls;

    // Activities launched while the current user is the headless system user.

    MultiuserDeprecationReporter(Handler handler) {

        mHandler = handler;

        if (Build.isDebuggable()) {

        if (Build.isDebuggable()

                || SystemProperties.getInt(PROP_ENABLE_IT, PROP_DEFAULT) == PROP_ENABLED) {

            mGetMainUserCalls = new SparseIntArray();

            mIsMainUserCalls = new SparseIntArray();

            mLaunchedHsuActivities = new ArraySet<>();