Merge "[PS] Return earlier if the input is null for `matches`." into main

import android.text.TextUtils;

import androidx.annotation.Nullable;

import com.android.launcher3.util.IntArray;

import java.text.Collator;

        /**

         * Returns true if {@param query} is a prefix of {@param target}

         */

        public boolean matches(String query, String target) {

        public boolean matches(@Nullable String query, @Nullable String target) {

            // `mCollator.compare` requires non-null inputs, so return false earlier (not a match)

            if (query == null || target == null) {

                return false;

            }

            switch (mCollator.compare(query, target)) {

                case 0:

                    return true;