msm7x27a-common: update audio_policy.conf

- added 44100 and 48000 sample rates to voip output
- added stereo output to voip
- added AUDIO_DEVICE_OUT_ALL_SCO device to voip output

Change-Id: Ib2776d7c5d35fff87fc3ad0ca08f6c5f94556074
msm7x27a-common: remove gallery2 overlay

Change-Id: I57a8140df6e2acef577ad0a6f65163d878c7f0e5
msm7x27a-common: remove max app prop

Change-Id: Ic04ac1b69c54c1c0dada25ed51be81587a310e5d
msm7x27a-common: use Qualcomm optimizations for Bionic

Change-Id: I9c10aac2ec7b16493fdae79042bb8a08afeff29d
msm7x27a-common:camerawrapper: use hw_get_module_by_class

Change-Id: I26fe2fd99fdf409674e49cb8fa401d42e005223e
msm7x27a-common:camerawrapper: move wrapper to vendor/lib/hw

Change-Id: I5441b80691896297c16f58b5184b6ce9e8c1e310