sepolicy: Update for ghost family

Change-Id: I34e4f69a7f0e9e9d7bf4746fc08a5358662a0769
wpa_supplicant.conf: add p2p_no_group_iface=1

Change-Id: Iadaac7f7890dba25151d14632cb6ec3e14442f28
Move BOARD_USES_MOTOROLA_EMU_AUDIO to msm8960-common

Change-Id: I9c3dddd820ba0cd3d1795a3045dfff5e8b129fe4
sepolicy: Fix remaining ghost denials

Change-Id: I4ec5d15dd8367e07d191a915664b36083d2ad803