...until https://code.google.com/p/android/issues/detail?id=183378 is fixed

GridViewPager.java

import android.content.Context;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowInsets;

public final class GridViewPager extends android.support.wearable.view.GridViewPager {

    private WindowInsets insets = null;

    public GridViewPager(Context context) {
        super(context);
    }

    public GridViewPager(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public GridViewPager(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
    }

    @Override
    public WindowInsets onApplyWindowInsets(WindowInsets insets) {
        insets = super.onApplyWindowInsets(insets);
        this.insets = insets;
        return insets;
    }

    @Override
    public void addView(View child, int index, ViewGroup.LayoutParams params) {
        super.addView(child, index, params);
        WindowInsets insets = this.insets;
        if (insets != null) {
            child.dispatchApplyWindowInsets(insets);
        }
    }
}