Add audio_policy, del llvm-select.mk, ...

Change-Id: I6377cf0c30792386a7eb735e73060e079732edba
Commented lib/libQcomUI.so
Update BoardConfig.mk

Deleted LLVM
Update mount block
Merge pull request #2 from mifl/jellybean

Add audio_policy, del llvm-select.mk, ...
Ok. All agree. Merged.