@NonNull
        public Builder setSecondaryToolbarViews(@Nullable RemoteViews remoteViews,
                @Nullable int[] clickableIDs, @Nullable PendingIntent pendingIntent) {
            mIntent.putExtra(EXTRA_REMOTEVIEWS, remoteViews);
            mIntent.putExtra(EXTRA_REMOTEVIEWS_VIEW_IDS, clickableIDs);
            mIntent.putExtra(EXTRA_REMOTEVIEWS_PENDINGINTENT, pendingIntent);
            return this;
        }
Sets the remote views displayed in the secondary toolbar in a custom tab.

@param remoteViews   The {@link RemoteViews} that will be shown on the secondary toolbar.
@param clickableIDs  The IDs of clickable views. The onClick event of these views will be
                     handled by custom tabs.
@param pendingIntent The {@link PendingIntent} that will be sent when the user clicks on
                     one of the {@link View}s in clickableIDs. When the
                     {@link PendingIntent} is sent, it will have the current URL as its
                     intent data.
@see CustomTabsIntent#EXTRA_REMOTEVIEWS
@see CustomTabsIntent#EXTRA_REMOTEVIEWS_VIEW_IDS
@see CustomTabsIntent#EXTRA_REMOTEVIEWS_PENDINGINTENT
@see CustomTabsIntent#EXTRA_REMOTEVIEWS_CLICKED_ID
customtabs/src/android/support/customtabs/CustomTabsIntent.java