Merge "wifidisplay: restrict broadcast by the proper permission" into rvc-qpr-dev am: e851fc58d6

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/13824713

Change-Id: I128bd35ad9dea6d9085f746790af2c1bc2344b47

core/java/android/hardware/display/DisplayManager.java

@@ -62,6 +62,9 @@ public final class DisplayManager {
      * {@link #EXTRA_WIFI_DISPLAY_STATUS} extra.
      * </p><p>
      * This broadcast is only sent to registered receivers and can only be sent by the system.
+     * </p><p>
+     * {@link android.Manifest.permission#ACCESS_FINE_LOCATION} permission is required to
+     * receive this broadcast.
      * </p>
      * @hide
      */

services/core/java/com/android/server/display/WifiDisplayAdapter.java

@@ -91,6 +91,10 @@ final class WifiDisplayAdapter extends DisplayAdapter {
 
     private boolean mPendingStatusChangeBroadcast;
 
+    private static final String[] RECEIVER_PERMISSIONS_FOR_BROADCAST = {
+            android.Manifest.permission.ACCESS_FINE_LOCATION,
+    };
+
     // Called with SyncRoot lock held.
     public WifiDisplayAdapter(DisplayManagerService.SyncRoot syncRoot,
             Context context, Handler handler, Listener listener,
@@ -432,7 +436,8 @@ final class WifiDisplayAdapter extends DisplayAdapter {
         }
 
         // Send protected broadcast about wifi display status to registered receivers.
-        getContext().sendBroadcastAsUser(intent, UserHandle.ALL);
+        getContext().createContextAsUser(UserHandle.ALL, 0)
+                .sendBroadcastWithMultiplePermissions(intent, RECEIVER_PERMISSIONS_FOR_BROADCAST);
     }
 
     private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() {