[WIFI] Protect broadcasts used by the Wi-Fi framework

Make sure the broadcasts used by the Wi-Fi framework are protected:
i.e. can only be transmitted by privileged components (as opposed to
any 3rd party app).

Broadcast: Suggestion API

Bug: 146642727
Test: atest android.net.wifi
Test: atest com.android.server.wifi
Merged-In: I9a0bf4428774b13cc6414a223f378e09341a6a55
Change-Id: I9a0bf4428774b13cc6414a223f378e09341a6a55
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index e5c92a1..aa5141d 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -344,6 +344,9 @@
     <protected-broadcast android:name="com.android.server.net.action.SNOOZE_WARNING" />
     <protected-broadcast android:name="com.android.server.net.action.SNOOZE_RAPID" />
     <protected-broadcast android:name="com.android.server.wifi.ACTION_SHOW_SET_RANDOMIZATION_DETAILS" />
+    <protected-broadcast android:name="com.android.server.wifi.action.NetworkSuggestion.USER_ALLOWED_APP" />
+    <protected-broadcast android:name="com.android.server.wifi.action.NetworkSuggestion.USER_DISALLOWED_APP" />
+    <protected-broadcast android:name="com.android.server.wifi.action.NetworkSuggestion.USER_DISMISSED" />
     <protected-broadcast android:name="com.android.server.wifi.ConnectToNetworkNotification.USER_DISMISSED_NOTIFICATION" />
     <protected-broadcast android:name="com.android.server.wifi.ConnectToNetworkNotification.CONNECT_TO_NETWORK" />
     <protected-broadcast android:name="com.android.server.wifi.ConnectToNetworkNotification.PICK_WIFI_NETWORK" />