Fix immersive mode recents animation.

Inspired on this https://github.com/CyanogenMod/android_frameworks_base/commit/be9c31709e2b90bc85ef1814b22df1785515d23d

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>
MediaFocusControl: Fix audio focus logic

This fixes commit 007e15d5d.

Should have been checking for when the notification stream is 0, not non-zero.

Change-Id: Idde589064082875d13a342445bb2b9de6b41e872
Signed-off-by: Evan Anderson <evan1124@gmail.com>