Add more tests for restricted broadcasts.

Test that certain wifi broadcasts are properly protected by the system.
This detects the presence of a security bug which allows the modification
of wifi proxy settings.

This list was taken from frameworks/base commit

Public Bug:
Bug: 7622253

(cherry picked from commit 7993485b87a11657654a50e45be81cbeccd2f009)

Change-Id: I69478b20975c09f87914ba04d0a7009aa6ef6c88
1 file changed