holiday: set bluetooth permissions earlier in init

* No longer a need for hci-kickstart hack.
* A2DP music audio works.
* Bluetooth calling works.
* Massive battery drain while BT is on is completely gone.

Change-Id: I4412272c79301dfa4e8d5f159433de03d124c0b3
holiday: Update README

Change-Id: I4089c52b3ef8a1aad0fd06df5c6e25868ac8f805