Here's one possibility.
Define a query suggestion row layout, e.g. R.layout.li_query_suggestion, that looks like this:
<?xml version="1.0" encoding="utf-8"?>
<TextView
android:id="@android:id/text1"
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@android:color/white"
android:gravity="center_vertical"
android:minHeight="56dp"
android:paddingLeft="16dp"
android:paddingRight="16dp"
android:textAppearance="?android:attr/textAppearanceListItemSmall"
android:textColor="@android:color/black"
tools:text="Blah blah blah"/>
Notice that the background color is white and the text color is black. You can, of course, change these values.
Then, in your cursor adapter, specify the layout you created as the row layout. E.g.:
CursorAdapter suggestionAdapter = new SimpleCursorAdapter(
getActivity(),
R.layout.li_query_suggestion,
null,
new String[]{"name"},
new int[]{android.R.id.text1},
0);
This will give you something that looks like the following:

Just fyi, my current theme looks like this:
<!-- Base application theme. -->
<style name="AppTheme" parent="Theme.AppCompat.NoActionBar">
<item name="colorPrimary">@color/light_blue_500</item>
<item name="colorPrimaryDark">@color/light_blue_700</item>
<item name="colorAccent">@color/pink_a200</item>
<item name="android:windowActionBarOverlay">true</item>
<item name="searchViewStyle">@style/CustomSearchView</item>
</style>