System installed launcher can see instant apps

Change-Id: I97f791b61f9b4f7ed33305345bf3d92394b40ae4
Fixes: 38202759
Test: cts-tradefed run commandAndExit cts-dev -m CtsAppSecurityHostTestCases -t android.appsecurity.cts.EphemeralTest
Test: Manual. Create sample app that replaces the launcher to test ability to see ephemeral apps.
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 18cfc99..8ed76de 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -3317,12 +3317,16 @@
          confirmation UI for full backup/restore -->
     <uses-permission android:name="android.permission.CONFIRM_FULL_BACKUP"/>
 
-
-    <!-- Allows the holder to access the instant applications on the device.
+    <!-- Allows the holder to access and manage instant applications on the device.
     @hide -->
     <permission android:name="android.permission.ACCESS_INSTANT_APPS"
             android:protectionLevel="signature|installer|verifier" />
 
+    <!-- Allows the holder to view the instant applications on the device.
+    @hide -->
+    <permission android:name="android.permission.VIEW_INSTANT_APPS"
+            android:protectionLevel="signature|preinstalled" />
+
     <!-- Allows receiving the usage of media resource e.g. video/audio codec and
          graphic memory.
          @hide -->