Merge branch 'ui_dev_2.0' into android_ui.lnx.1.0-dev.1.0

Conflicts:
	Android.mk
	AndroidManifest.xml
	src/com/android/music/AudioPreview.java
	src/com/android/music/MediaPlaybackActivity.java
	src/com/android/music/MediaPlaybackService.java

Change-Id: Ic8b0453512d6195a5b4b7f91fbd8fc5425880451