seandroid: imscm needs to communicate with apps

Allowing imscm daemon to communicate with platform_app and
system_app using binder call. untrusted_app also needs
to communicate with imscm for debug purpose.

Change-Id: I87a17fcafc4cc8a97ffa85b2f01ddf0b93e6387e
CRs-fixed: 812899

Conflicts:
	common/app.te
	common/platform_app.te
	common/system_app.te
	common/untrusted_app.te
5 files changed