m7-common: basic SELinux policy

Change-Id: I4ae872ee6fcb7f43a10dc6d8dfdeda9ea27bb949
Revert "m7-common: disable LPA temporarily"

This reverts commit 26a7c4b9c6ecb6393be4e1f43440f322c57bd6cf.

Change-Id: I122dcca6b6d16781d6ebf7228cae326ca74852f2
Merge "m7-common: basic SELinux policy" into cm-11.0
Merge "Revert "m7-common: disable LPA temporarily"" into cm-11.0