wifi: Fix an Information leak in SoftApManager

AP state information should be protected in anywhere. (Not just API)
Used sendBroadcastAsUser with permission check for AP state changed
intent.


Bug: 212695058
Test: atest -c FrameworksWifiTests
Change-Id: I655bc06b92657ee8dd69f64cfc6580bedc37dcde
Merged-In: I655bc06b92657ee8dd69f64cfc6580bedc37dcde
2 files changed