palman: initial bringup from v500

Change-Id: I04266f3f3f5b23b366e112edb5bfb3b32f344b04
audio_policy: don't separate a2dp output

Change-Id: I553f5b3fac576187d1abe16116f82754c6bee4ee
media: use awesomeplayer

Change-Id: I5b9e32c1f7cc4072002078f3989a11a9ec54f055
props: move into system.prop

Change-Id: I69d8b3bb9ee70d23bc71301d71e1e8c05ed7cce9
palman: use caf HALs rather than AOSP

Change-Id: Icbbc4e2520a33909e027301ee7a7fbf73fda91a8