tc2: clean-up proprietary-files and move firmware to vendor

Change-Id: I3ece9d14d0f5d2aa371448e43a7698b0490bc713
tc2: remove unnecessary sound configs

Change-Id: I383acfa4a01544e26b55f1fd77eff2b8eb9ef7bd
tc2: update system.prop

Change-Id: I3ac288d72c8e5549c8cdfebc2c3240e9e35427f0
tc2: set selinux to permissive and use device specific camera

Change-Id: Ia09a1db59f42a6d1a7de5770e8919544e0873c6f
tc2: camera requires VECTORIMPL_SYMBOLS

Change-Id: I3d4d6713af40b143d6c45a46400ff517a0c8b1b0
tc2: update overlay config for KitKat

Change-Id: I2981c2c55cda4bc26161b859810fbfe34d4ca150
tc2: disable unavailable notification light overlay

Change-Id: Ie7dbc606833a17fcb5bb867e435315d1e5693313