Remove permission correcting code

The background permissions are no longer split so this doesn't need to
happen.

Bug: 175292410
Test: Boot
Change-Id: I454f7eb61cd3a20f6e9094778b605ed56115c6e1
diff --git a/services/core/java/com/android/server/pm/permission/PermissionManagerService.java b/services/core/java/com/android/server/pm/permission/PermissionManagerService.java
index 71e53d9..7a936ec 100644
--- a/services/core/java/com/android/server/pm/permission/PermissionManagerService.java
+++ b/services/core/java/com/android/server/pm/permission/PermissionManagerService.java
@@ -68,15 +68,10 @@
 import android.app.AppOpsManager;
 import android.app.IActivityManager;
 import android.app.admin.DevicePolicyManagerInternal;
-import android.app.role.RoleManager;
 import android.compat.annotation.ChangeId;
 import android.compat.annotation.EnabledAfter;
-import android.content.BroadcastReceiver;
 import android.content.Context;
-import android.content.Intent;
-import android.content.IntentFilter;
 import android.content.pm.ApplicationInfo;
-import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.PermissionGroupInfoFlags;
 import android.content.pm.PackageManager.PermissionInfoFlags;
@@ -86,7 +81,6 @@
 import android.content.pm.ParceledListSlice;
 import android.content.pm.PermissionGroupInfo;
 import android.content.pm.PermissionInfo;
-import android.content.pm.UserInfo;
 import android.content.pm.parsing.component.ParsedPermission;
 import android.content.pm.parsing.component.ParsedPermissionGroup;
 import android.content.pm.permission.SplitPermissionInfoParcelable;
@@ -401,105 +395,6 @@
                 new PermissionManagerServiceInternalImpl();
         LocalServices.addService(PermissionManagerServiceInternal.class, localService);
         LocalServices.addService(PermissionManagerInternal.class, localService);
-
-        context.getMainThreadHandler().post(() -> context.registerReceiver(new BroadcastReceiver() {
-            @Override
-            public void onReceive(Context context, Intent intent) {
-                if (!Intent.ACTION_BOOT_COMPLETED.equals(intent.getAction())) {
-                    return;
-                }
-
-                try {
-                    fixBgMicCamera(context);
-                } catch (Throwable t) {
-                    // Don't crash the system if this fails for any reason. Any intermediate state
-                    // this can leave the permissions in is okay and in the worst case the state is
-                    // the same as before the user rebooted.
-                    Log.e(LOG_TAG, "Unable to fix background permissions", t);
-                }
-            }
-
-
-            private void fixBgMicCamera(Context context) {
-                PackageManager pm = context.getPackageManager();
-                for (UserInfo userInfo : context.getSystemService(UserManager.class).getUsers()) {
-                    UserHandle user = userInfo.getUserHandle();
-                    List<String> assistants = context.getSystemService(RoleManager.class)
-                            .getRoleHoldersAsUser(RoleManager.ROLE_ASSISTANT, user);
-                    List<PackageInfo> packages =
-                            pm.getInstalledPackagesAsUser(PackageManager.MATCH_SYSTEM_ONLY
-                                    | PackageManager.GET_PERMISSIONS, user.getIdentifier());
-                    for (PackageInfo packageInfo : packages) {
-                        String[] requestedPermissions = packageInfo.requestedPermissions;
-                        if (requestedPermissions == null) {
-                            continue;
-                        }
-                        for (String permName : requestedPermissions) {
-                            String pkg = packageInfo.packageName;
-                            switch (permName) {
-                                case Manifest.permission.BACKGROUND_CAMERA:
-                                    removeFromAllowlistsAndRevoke(pm, pkg, permName, user);
-                                    break;
-                                case Manifest.permission.RECORD_BACKGROUND_AUDIO:
-                                    if (assistants.contains(pkg)) {
-                                        removeFromAllowlistsAndRevokeForAssistant(pm, pkg, permName,
-                                                user);
-                                    } else {
-                                        removeFromAllowlistsAndRevoke(pm, pkg, permName, user);
-                                    }
-                                    break;
-                            }
-                        }
-                    }
-                }
-            }
-
-            private void removeFromAllowlistsAndRevoke(PackageManager pm, String pkg,
-                    String permName, UserHandle user) {
-                if ((pm.getPermissionFlags(permName, pkg, user)
-                        & FLAGS_PERMISSION_RESTRICTION_ANY_EXEMPT) != 0) {
-                    Slog.i(LOG_TAG, "removing " + pkg + " " + permName + " from all allowlists");
-                    pm.removeWhitelistedRestrictedPermission(pkg, permName,
-                            FLAG_PERMISSION_WHITELIST_UPGRADE);
-                    pm.removeWhitelistedRestrictedPermission(pkg, permName,
-                            FLAG_PERMISSION_WHITELIST_SYSTEM);
-                    pm.removeWhitelistedRestrictedPermission(pkg, permName,
-                            FLAG_PERMISSION_WHITELIST_INSTALLER);
-                    pm.removeWhitelistedRestrictedPermission(pkg, permName,
-                            FLAG_PERMISSION_ALLOWLIST_ROLE);
-                }
-                if (pm.checkPermission(permName, pkg) == PackageManager.PERMISSION_GRANTED) {
-                    Slog.i(LOG_TAG, "revoking " + pkg + " " + permName);
-                    pm.revokeRuntimePermission(pkg, permName, user);
-                }
-            }
-
-            private void removeFromAllowlistsAndRevokeForAssistant(PackageManager pm, String pkg,
-                    String permName, UserHandle user) {
-                int anyNonRoleExempt =
-                        FLAG_PERMISSION_RESTRICTION_INSTALLER_EXEMPT
-                                | FLAG_PERMISSION_RESTRICTION_SYSTEM_EXEMPT
-                                | FLAG_PERMISSION_RESTRICTION_UPGRADE_EXEMPT;
-
-                if ((pm.getPermissionFlags(permName, pkg, user) & anyNonRoleExempt) != 0) {
-                    Slog.i(LOG_TAG, "removing " + pkg + " " + permName
-                            + " from all allowlists except role");
-                    pm.removeWhitelistedRestrictedPermission(pkg, permName,
-                            FLAG_PERMISSION_WHITELIST_UPGRADE);
-                    pm.removeWhitelistedRestrictedPermission(pkg, permName,
-                            FLAG_PERMISSION_WHITELIST_SYSTEM);
-                    pm.removeWhitelistedRestrictedPermission(pkg, permName,
-                            FLAG_PERMISSION_WHITELIST_INSTALLER);
-                }
-                if ((pm.getPermissionFlags(permName, pkg, user)
-                        & FLAG_PERMISSION_RESTRICTION_ROLE_EXEMPT) == 0) {
-                    Slog.i(LOG_TAG, "adding " + pkg + " " + permName
-                            + " to role allowlist");
-                    pm.addWhitelistedRestrictedPermission(pkg, permName,
-                            FLAG_PERMISSION_ALLOWLIST_ROLE);
-                }
-            }
-        }, new IntentFilter(Intent.ACTION_BOOT_COMPLETED)));
     }
 
     @Override