readded the original files, builds break without it

patches_treble_td/platform_system_vold/0002-Failing-to-create-facedata-shouldn-t-be-fatal.patch

@@ -0,0 +1,38 @@
+From 11766af32aece696f0390e41a5c574b4ca3de265 Mon Sep 17 00:00:00 2001
+From: Pierre-Hugues Husson <phh@phh.me>
+Date: Sat, 7 Mar 2020 14:49:09 +0100
+Subject: [PATCH 2/5] Failing to create facedata shouldn't be fatal
+
+Some Pie vendors create it on their own, so SELinux would deny that
+Also not all devices have face unlock anyway
+
+See https://github.com/phhusson/treble_experimentations/issues/1119
+---
+ vold_prepare_subdirs.cpp | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/vold_prepare_subdirs.cpp b/vold_prepare_subdirs.cpp
+index 94d7f15..671ae6f 100644
+--- a/vold_prepare_subdirs.cpp
++++ b/vold_prepare_subdirs.cpp
+@@ -198,7 +198,7 @@ static bool prepare_subdirs(const std::string& volume_uuid, int user_id, int fla
+             }
+             auto facedata_path = vendor_de_path + "/facedata";
+             if (!prepare_dir(sehandle, 0700, AID_SYSTEM, AID_SYSTEM, facedata_path)) {
+-                return false;
++                LOG(ERROR) << "Failed preparing folder for de facedata";
+             }
+         }
+     }
+@@ -247,7 +247,7 @@ static bool prepare_subdirs(const std::string& volume_uuid, int user_id, int fla
+             auto vendor_ce_path = android::vold::BuildDataVendorCePath(user_id);
+             auto facedata_path = vendor_ce_path + "/facedata";
+             if (!prepare_dir(sehandle, 0700, AID_SYSTEM, AID_SYSTEM, facedata_path)) {
+-                return false;
++                LOG(ERROR) << "Failed preparing folder for de facedata";
+             }
+         }
+     }
+-- 
+2.25.1
+