Call callbacks when we finish early due to no permission to review.

Otherwise we won't continue starting the activity/binding the service
for pre-M apps that ask for only restricted permissions.

Test: presubmit
Change-Id: I5331b52e93eb4e0497de51837f3be79ec00f9495
diff --git a/src/com/android/packageinstaller/permission/ui/handheld/ReviewPermissionsFragment.java b/src/com/android/packageinstaller/permission/ui/handheld/ReviewPermissionsFragment.java
index 85ec2d3..983e69b 100644
--- a/src/com/android/packageinstaller/permission/ui/handheld/ReviewPermissionsFragment.java
+++ b/src/com/android/packageinstaller/permission/ui/handheld/ReviewPermissionsFragment.java
@@ -121,6 +121,7 @@
             // If the system called for a review but no groups are found, this means that all groups
             // are restricted. Hence there is nothing to review and instantly continue.
             confirmPermissionsReview();
+            executeCallback(true);
             activity.finish();
         }
     }