[sensors] Add Permission guard to the generic sensor apis.

android_webview/browser/aw_permission_manager.cc

Index: android_webview/browser/aw_permission_manager.cc
diff --git a/android_webview/browser/aw_permission_manager.cc b/android_webview/browser/aw_permission_manager.cc
index e6eafa0552eab261fa04272956fcd4b1d1e6d3de..21ba103751d20506a1857b341c8477fed04a71aa 100644
--- a/android_webview/browser/aw_permission_manager.cc
+++ b/android_webview/browser/aw_permission_manager.cc
@@ -318,6 +318,7 @@ int AwPermissionManager::RequestPermissions(
             base::Bind(&OnRequestResponse, weak_ptr_factory_.GetWeakPtr(),
                        request_id, permissions[i]));
         break;
+      case PermissionType::SENSORS:
       case PermissionType::AUDIO_CAPTURE:
       case PermissionType::VIDEO_CAPTURE:
       case PermissionType::NOTIFICATIONS:
@@ -456,6 +457,7 @@ void AwPermissionManager::CancelPermissionRequest(int request_id) {
         if (delegate)
           delegate->CancelMIDISysexPermissionRequests(requesting_origin);
         break;
+      case PermissionType::SENSORS:
       case PermissionType::NOTIFICATIONS:
       case PermissionType::PUSH_MESSAGING:
       case PermissionType::DURABLE_STORAGE: