<p>When MiniDisplay is enabled&nbsp;volume change and mute notifications are not coming through.<br />
As a result MP1 volume overlay is not displayed when system volume is adjusted.<br />
We also expect variours other volume related bugs to have the same root cause.</p>

<p>After investigation it appeared that our VolumeHandler was being implicitly created from the MiniDisplay thread instead of the MP1 main thread.</p>

<p>The proposed solution forces users to explicitly create our VolumeHandler.</p>