Revert "wifidisplay: restrict broadcast by the proper permission"

This reverts commit cff8340c84ad1d6c0b3deae6a42f781e7db64082.
This reverts commit fd8b6dabf9435026c867025eb3c6a85a07818f2f.

This may cause functional regressions in some cases. Drop it until a
fixed version is available.

Issue: FP3-A11#116
Change-Id: If455942224818932cfde615384aba8bc54e8a3db
2 files changed