Merge "Add divider line in battery page"

        android:title="@string/summary_placeholder"

        android:selectable="false"

        android:layout="@layout/battery_header"

        settings:allowDividerBelow="true"

        settings:controller="com.android.settings.fuelgauge.BatteryHeaderPreferenceController" />

    <com.android.settings.widget.CardPreference

        android:key="battery_tip"

        android:title="@string/summary_placeholder"

        settings:allowDividerAbove="true"

        settings:controller="com.android.settings.fuelgauge.batterytip.BatteryTipPreferenceController" />

    <Preference