hwc: Disable layer stitch by default.

Change-Id: I26488701c5682e58edf572d48ac225353f9a6358
CRs-Fixed: 2598615
diff --git a/composer/hwc_display_builtin.h b/composer/hwc_display_builtin.h
index bb2e926..58583a2 100644
--- a/composer/hwc_display_builtin.h
+++ b/composer/hwc_display_builtin.h
@@ -196,7 +196,7 @@
   bool frame_capture_buffer_queued_ = false;
   int frame_capture_status_ = -EAGAIN;
   bool is_primary_ = false;
-  bool disable_layer_stitch_ = false;
+  bool disable_layer_stitch_ = true;
   HWCLayer* stitch_target_ = nullptr;
   SyncTask<LayerStitchTaskCode> layer_stitch_task_;
   GLLayerStitch* gl_layer_stitch_ = nullptr;
diff --git a/composer/vendor.qti.hardware.display.composer-service.xml b/composer/vendor.qti.hardware.display.composer-service.xml
index 47a48be..a0fdcce 100644
--- a/composer/vendor.qti.hardware.display.composer-service.xml
+++ b/composer/vendor.qti.hardware.display.composer-service.xml
@@ -1,5 +1,5 @@
 <!--
-Copyright (c) 2019-20, The Linux Foundation. All rights reserved.
+Copyright (c) 2019-2020, The Linux Foundation. All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are