Revert Ambient Play commits

Revert "AmbientPlay: fix crash in history"

This reverts commit 530df60fbc5701ad4af464758e987ebb0947a97c.

Revert "AmbientPlay: Introduce history manager [4/4]"

This reverts commit ea7a697faebb2a6254ad21acfb3143fbfb5ccac8.

Change-Id: Ic0ca678455daae5556081c18da81c98c8bc8a283

Revert "Add preference for Ambient Play"

This reverts commit 6bde2678f5fa01d9f7c085a2ea8fda5f3417d8f0.

Change-Id: Ic3a2440584caa641bb34c75302ddbdfebb2bd07a
60 files changed