am 1bf704bd: docs: small fixes for Accessibility dev guide (Eyes-Free Keyboard)

<p>By including the description, speech-based accessibility services can announce "Add note" when a

user moves focus to this button or hovers over it.</p>

<p class="note">Note: For {@link android.widget.EditText} fields, provide an

<p class="note"><strong>Note:</strong> For {@link android.widget.EditText} fields, provide an

<a href="{@docRoot}reference/android/widget/TextView.html#attr_android:hint">android:hint</a>

attribute to help users understand what content is expected.</p>

<p>Focus navigation allows users with disabilities to step through user interface controls using a

directional controller. Directional controllers can be physical, such as a clickable trackball,

directional pad (D-Pad) or arrow keys, tab key navigation with an attached keyboard or a software

application that provides an on-screen directional control.</p>

directional pad (D-pad) or arrow keys, tab key navigation with an attached keyboard or a software

application, such as the

<a href="https://play.google.com/store/apps/details?id=com.googlecode.eyesfree.inputmethod.latin">

Eyes-Free Keyboard</a>, that provides an on-screen directional control.</p>

<p>A directional controller is a primary means of navigation for many users.

Verify that all user interface (UI) controls in your application are accessible

<p>As part of your accessibility testing, you can test navigation of your application using focus,

even if your test devices does not have a directional controller. The <a

href="{@docRoot}guide/developing/tools/emulator.html">Android Emulator</a> provides a

simulated directional controller that you can easily use to test navigation. You can also use the

arrow keys and Enter key on your keyboard with the Emulator to simulate use of a D-pad.</p>

simulated directional controller that you can easily use to test navigation. You can also use a

software-based directional controller, such as the one provided by the

<a href="https://play.google.com/store/apps/details?id=com.googlecode.eyesfree.inputmethod.latin">

Eyes-Free Keyboard</a> to simulate use of a D-pad.</p>