m7: selinux support

Change-Id: I087f0fa797cabeeefe71be1330aae99633353a28

Conflicts:

	rootdir/etc/fstab.qcom.cdma
	rootdir/etc/fstab.qcom.gsm
m7: refine sepolicies

Change-Id: I30cc067c2ba10d836c3e0babc2c3d95276197b7e
m7: refine sepolicies

Change-Id: I2507a5857edf262ea0f4411ad0edad8361b456df
m7: selinux: bluetooth policies

Change-Id: I5645111e6b6772266185efd17165184534b9cecb
m7: selinux: more rules

Change-Id: Ia9431f4f5fb12a3ed047e6927f8b594f6be7243c
m7: selinux: fix camera access

Change-Id: Ie279d52a8ad0712865e2b24a5e71c059c4a8eb67