Add unaudited exported flag to exposed runtime receivers

Android T allows apps to declare a runtime receiver as not exported
by invoking registerReceiver with a new RECEIVER_NOT_EXPORTED flag;
receivers registered with this flag will only receive broadcasts from
the platform and the app itself. However to ensure developers can
properly protect their receivers, all apps targeting T or later
registering a receiver for non-system broadcasts must specify either
the exported or not exported flag when invoking #registerReceiver;
if one of these flags is not provided, the platform will throw a
SecurityException. This commit updates all the exposed receivers
with a new RECEIVER_EXPORTED_UNAUDITED flag to maintain the existing
behavior of exporting the receiver while also flagging the receiver
for audit before the T release.

Bug: 161145287
Test: Build
Change-Id: Ie460232456b691fbbb273eda8d7c4d6da7d98384
diff --git a/src/com/android/camera/Camera.java b/src/com/android/camera/Camera.java
index 322ab0d..dc96854 100644
--- a/src/com/android/camera/Camera.java
+++ b/src/com/android/camera/Camera.java
@@ -1537,7 +1537,8 @@
         intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_FINISHED);
         intentFilter.addAction(Intent.ACTION_MEDIA_CHECKING);
         intentFilter.addDataScheme("file");
-        registerReceiver(mReceiver, intentFilter);
+        registerReceiver(mReceiver, intentFilter,
+                Context.RECEIVER_EXPORTED_UNAUDITED);
         mDidRegister = true;
     }
 
diff --git a/src/com/android/camera/VideoCamera.java b/src/com/android/camera/VideoCamera.java
index b2626ed..fe98acd 100755
--- a/src/com/android/camera/VideoCamera.java
+++ b/src/com/android/camera/VideoCamera.java
@@ -864,7 +864,8 @@
         intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_FINISHED);
         intentFilter.addDataScheme("file");
         mReceiver = new MyBroadcastReceiver();
-        registerReceiver(mReceiver, intentFilter);
+        registerReceiver(mReceiver, intentFilter,
+                Context.RECEIVER_EXPORTED_UNAUDITED);
         mStorageSpace = Storage.getAvailableSpace();
 
         mHandler.postDelayed(new Runnable() {