Add flags to permission protected SysUI broadcasts

Since these receivers are permission protected,
their callers will also need the permission which already restricts
access, and marking dynamic receivers that are
permission protected as exported is consistent with the pattern in static receivers.

Test: no-op
Bug: 161145287
Change-Id: I8a155551d306ee2a7213125e69a561232bf72bae

libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipMediaController.java

@@ -144,7 +144,7 @@ public class PipMediaController {
         mediaControlFilter.addAction(ACTION_NEXT);
         mediaControlFilter.addAction(ACTION_PREV);
         mContext.registerReceiverForAllUsers(mMediaActionReceiver, mediaControlFilter,
-                SYSTEMUI_PERMISSION, mainHandler);
+                SYSTEMUI_PERMISSION, mainHandler, Context.RECEIVER_EXPORTED);
 
         // Creates the standard media buttons that we may show.
         mPauseAction = getDefaultRemoteAction(R.string.pip_pause,

packages/SystemUI/src/com/android/systemui/accessibility/SystemActions.java

@@ -174,7 +174,8 @@ public class SystemActions extends SystemUI {
                 mReceiver,
                 mReceiver.createIntentFilter(),
                 PERMISSION_SELF,
-                null);
+                null,
+                Context.RECEIVER_EXPORTED);
         registerActions();
     }
 

packages/SystemUI/src/com/android/systemui/demomode/DemoModeController.kt

@@ -81,7 +81,7 @@ class DemoModeController constructor(
         val demoFilter = IntentFilter()
         demoFilter.addAction(ACTION_DEMO)
         context.registerReceiverAsUser(broadcastReceiver, UserHandle.ALL, demoFilter,
-                android.Manifest.permission.DUMP, null)
+                android.Manifest.permission.DUMP, null, Context.RECEIVER_EXPORTED)
     }
 
     override fun addCallback(listener: DemoMode) {

packages/SystemUI/src/com/android/systemui/power/PowerNotificationWarnings.java

@@ -749,7 +749,7 @@ public class PowerNotificationWarnings implements PowerUI.WarningsUI {
             filter.addAction(ACTION_AUTO_SAVER_NO_THANKS);
             filter.addAction(ACTION_DISMISS_AUTO_SAVER_SUGGESTION);
             mContext.registerReceiverAsUser(this, UserHandle.ALL, filter,
-                    android.Manifest.permission.DEVICE_POWER, mHandler);
+                    android.Manifest.permission.DEVICE_POWER, mHandler, Context.RECEIVER_EXPORTED);
         }
 
         @Override