msm8960: Add shell property to use AwesomePlayer as default.

This overrides the default player (NuPlayer) from being picked.

Change-Id: Idffe8d8c4833639a0bdf27bef21ab8c59c8a5dc3
proprietary-files: Use symlinks for keymaster. Make location priv-app

Change-Id: I5716cceaee94e507fe755dd3e1175d1077334188