Get rid of an unused import from AppsSearchContainerLayout class.

import android.text.Spannable;

import android.text.SpannableString;

import android.text.SpannableStringBuilder;

import android.text.TextUtils;

import android.text.method.TextKeyListener;

import android.util.AttributeSet;

import android.view.KeyEvent;

import android.view.View;

import android.widget.FrameLayout;

import com.android.launcher3.DeviceProfile;

import com.android.launcher3.ExtendedEditText;

import com.android.launcher3.Launcher;

import com.android.launcher3.discovery.AppDiscoveryUpdateState;

import com.android.launcher3.graphics.TintedDrawableSpan;

import com.android.launcher3.util.ComponentKey;

import java.util.ArrayList;

/**