Merge \\"Update PackageInstaller theme to DeviceDefault.\\" into nyc-mr1-dev am: c357e6fa

<resources>

    <style name="Theme.DialogWhenLarge"

           parent="@android:style/Theme.Material.Light.DialogWhenLarge.NoActionBar">

           parent="@android:style/Theme.DeviceDefault.Light.DialogWhenLarge.NoActionBar">

        <item name="android:textAppearanceMedium">@style/MediumText</item>

        <item name="android:textAppearanceSmall">@style/SmallText</item>

        <item name="android:titleTextStyle">@style/TitleText</item>