am 408f94b1: Merge "docs: Minor bugfix to Android U navigation design class" into ics-mr0

<p class="img-caption"><strong>Figure 1.</strong> Single pane layouts on large screens in landscape lead to awkward whitespace and exceedingly long line lengths.</p>

<img src="{@docRoot}images/training/app-navigation-multiple-sizes-multipane-bad.png"

<img src="{@docRoot}images/training/app-navigation-multiple-sizes-multipane-good.png"

  alt="Multi-pane layouts in landscape offer better a visual balance while offering more utility and legibility" id="figure-multipane-good">

<p class="img-caption"><strong>Figure 2.</strong> Multi-pane layouts in landscape result in a better visual balance while offering more utility and legibility.</p>