Merge "Silently ignore force stop API for protected packages" into pi-dev

am: df88614db2

Change-Id: I1490c123b60b05798584306af9c971a3411729cc

core/java/android/content/pm/PackageManagerInternal.java

@@ -301,6 +301,12 @@ public abstract class PackageManagerInternal {
      */
     public abstract boolean isPackageDataProtected(int userId, String packageName);
 
+    /**
+     * Returns {@code true} if a given package's state is protected, e.g. it cannot be force
+     * stopped, suspended, disabled or hidden. Otherwise, returns {@code false}.
+     */
+    public abstract boolean isPackageStateProtected(String packageName, int userId);
+
     /**
      * Returns {@code true} if a given package is installed as ephemeral. Otherwise, returns
      * {@code false}.

services/core/java/com/android/server/am/ActivityManagerService.java

@@ -6645,6 +6645,13 @@ public class ActivityManagerService extends IActivityManager.Stub
                 int[] users = userId == UserHandle.USER_ALL
                         ? mUserController.getUsers() : new int[] { userId };
                 for (int user : users) {
+                    if (getPackageManagerInternalLocked().isPackageStateProtected(
+                            packageName, user)) {
+                        Slog.w(TAG, "Ignoring request to force stop protected package "
+                                + packageName + " u" + user);
+                        return;
+                    }
+
                     int pkgUid = -1;
                     try {
                         pkgUid = pm.getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING,

services/core/java/com/android/server/pm/PackageManagerService.java

@@ -23866,6 +23866,11 @@ Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName());
             return mProtectedPackages.isPackageDataProtected(userId, packageName);
         }
 
+        @Override
+        public boolean isPackageStateProtected(String packageName, int userId) {
+            return mProtectedPackages.isPackageStateProtected(userId, packageName);
+        }
+
         @Override
         public boolean isPackageEphemeral(int userId, String packageName) {
             synchronized (mPackages) {