Merge "Revert "wifidisplay: restrict broadcast by the proper permission"" into...

Merge "Revert "wifidisplay: restrict broadcast by the proper permission"" into sc-dev am: 72c0350b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15287614

Change-Id: Ic42ba64b92ced1bd61b7559ee597cef9d95f2a5f