Merge "Fix android.text.cts.TextUtilsTest#testRegionMatches"

import android.text.style.UnderlineSpan;

import android.util.Log;

import android.util.Printer;

import android.view.View;

import com.android.internal.R;

import com.android.internal.util.ArrayUtils;

import libcore.icu.ICU;

import java.lang.reflect.Array;

    public static boolean regionMatches(CharSequence one, int toffset,

                                        CharSequence two, int ooffset,

                                        int len) {

        char[] temp = obtain(2 * len);

        int tempLen = 2 * len;

        if (tempLen < len) {

            // Integer overflow; len is unreasonably large

            throw new IndexOutOfBoundsException();

        }

        char[] temp = obtain(tempLen);

        getChars(one, toffset, toffset + len, temp, 0);

        getChars(two, ooffset, ooffset + len, temp, len);