Introduce permissions for projection app

This CL introduces two permissions:
  - to listen to projection status (system level) this permission could
be used by home launcher app, GSA, dialer to know the projection status;
  - to protect projection app by allowing only framework to bind to
projection service

Bug: 123962276
Test: m -j
Change-Id: I499d2b224d96cb33d45158b65b84bf8ccd1079cd
2 files changed