Assume a package was removed if application info is missing.

Bug: 310102144
Test: presubmit
Change-Id: I5cabb311305f77956b7600e5644236eba5dd8832
diff --git a/core/java/android/app/ActivityThread.java b/core/java/android/app/ActivityThread.java
index e288b42..1bdbd4c5 100644
--- a/core/java/android/app/ActivityThread.java
+++ b/core/java/android/app/ActivityThread.java
@@ -6792,6 +6792,7 @@
                             }
                         }
                         if (killApp) {
+                            // Keep in sync with "perhaps it was removed" case below.
                             mPackages.remove(packages[i]);
                             mResourcePackages.remove(packages[i]);
                         }
@@ -6859,6 +6860,12 @@
                                 }
                             } catch (RemoteException e) {
                             }
+                        } else {
+                            // No package, perhaps it was removed?
+                            Slog.e(TAG, "Package [" + packages[i] + "] reported as REPLACED,"
+                                    + " but missing application info. Assuming REMOVED.");
+                            mPackages.remove(packages[i]);
+                            mResourcePackages.remove(packages[i]);
                         }
                     }
                 }