Merge "Validate checkInstallConstraints() installer package name" into udc-dev

        final var snapshot = mPm.snapshotComputer();

        final int callingUid = Binder.getCallingUid();

        final var callingPackageName = snapshot.getNameForUid(callingUid);

        if (!TextUtils.equals(callingPackageName, installerPackageName)) {

            throw new SecurityException("The installerPackageName set by the caller doesn't match "

                    + "the caller's own package name.");

        }

        if (!PackageManagerServiceUtils.isSystemOrRootOrShell(callingUid)) {

            for (var packageName : packageNames) {

                var ps = snapshot.getPackageStateInternal(packageName);