Merge "docs: Noted several new supported screen resolutions." into mnc-docs

<pre>

&lt;<a href="#compatible-screens">compatible-screens</a>&gt;

    &lt;<a href="#screen">screen</a> android:<a href="#screenSize">screenSize</a>=["small" | "normal" | "large" | "xlarge"]

            android:<a href="#screenDensity">screenDensity</a>=["ldpi" | "mdpi" | "hdpi" | "xhdpi"] /&gt;

            android:<a href="#screenDensity">screenDensity</a>=["ldpi" | "mdpi" | "hdpi" | "xhdpi"

                                   | "280" | "360" | "420" | "480" | "560" ] />

    ...

</compatible-screens>

</pre>

        <dd><b>Required.</b> Specifies the screen density for this screen configuration.

          <p>Accepted values:</p>

          <ul>

            <li>{@code ldpi}</li>

            <li>{@code mdpi}</li>

            <li>{@code hdpi}</li>

            <li>{@code xhdpi}</li>

            <li>{@code "ldpi"} (approximately 120 dpi)</li>

            <li>{@code "mdpi"} (approximately 160 dpi)</li>

            <li>{@code "hdpi"} (approximately 240 dpi)</li>

            <li>{@code "xhdpi"} (approximately 320 dpi)</li>

            <li>{@code "280"}</li>

            <li>{@code "360"}</li>

            <li>{@code "420"}</li>

            <li>{@code "480"}</li>

            <li>{@code "560"}</li>

          </ul>

          <p class="note"><strong>Note:</strong> This attribute currently does not accept

          {@code xxhdpi} as a valid value, but you can instead specify {@code 480}

          as the value, which is the approximate threshold for xhdpi screens.</p>

          <p>For information about the different screen densities, see <a

href="{@docRoot}guide/practices/screens_support.html#range">Supporting Multiple Screens</a>.</p>