Adding default mixer_paths as needed by 4.3 Audio

Change-Id: I42c38367a4075358241ff7df58e2fbdbde9863aa
4.3 style sdcard mount

Change-Id: I56e40c0d9d1796a4ca8a148ab41fef3960d22d63
Add BTLE permission

Change-Id: Iec886aa8f173f8c382d75d13a3951543e03c5999