Add anydpi to the providing-resources docs

        <code>xxhdpi</code><br/>

        <code>xxhdpi</code><br/>

        <code>xxxhdpi</code><br/>

        <code>xxxhdpi</code><br/>

        <code>nodpi</code><br/>

        <code>nodpi</code><br/>

        <code>tvdpi</code>

        <code>tvdpi</code><br/>

        <code>anydpi</code>

      </td>

      </td>

      <td>

      <td>

        <ul class="nolist">

        <ul class="nolist">

          <li>{@code tvdpi}: Screens somewhere between mdpi and hdpi; approximately 213dpi. This is

          <li>{@code tvdpi}: Screens somewhere between mdpi and hdpi; approximately 213dpi. This is

not considered a "primary" density group. It is mostly intended for televisions and most

not considered a "primary" density group. It is mostly intended for televisions and most

apps shouldn't need it—providing mdpi and hdpi resources is sufficient for most apps and

apps shouldn't need it—providing mdpi and hdpi resources is sufficient for most apps and

the system will scale them as appropriate. This qualifier was introduced with API level 13.</li>

the system will scale them as appropriate. <em>Added in API Level 13</em></li>

          <li>{@code anydpi}: This qualifier matches all screen densities and takes precedence over

other qualifiers. This is useful for

<a href="{@docRoot}training/material/drawables.html#VectorDrawables">vector drawables</a>.

<em>Added in API Level 21</em></li>

        </ul>

        </ul>

        <p>There is a 3:4:6:8:12:16 scaling ratio between the six primary densities (ignoring the

        <p>There is a 3:4:6:8:12:16 scaling ratio between the six primary densities (ignoring the

tvdpi density). So, a 9x9 bitmap in ldpi is 12x12 in mdpi, 18x18 in hdpi, 24x24 in xhdpi and so on.

tvdpi density). So, a 9x9 bitmap in ldpi is 12x12 in mdpi, 18x18 in hdpi, 24x24 in xhdpi and so on.