Don't send magic ZSL command

* Causing preview issues in some 3rd party apps.

Change-Id: Idb18df3ad3ceb6f8a4a3458303b542ad8759d50e
Enable A2DP Sink, HFP HS and AVRCP controller

Change-Id: Icaa30b7917100f6f71c38414a0c500feab0a963e
Use dlmalloc instead of jemalloc

Change-Id: I67af0a5670b24838a2cc8c8172ca996696d77c45