Fallback to default DispSync phase offsets am: e6ecf6be2f am: 6cb781ce6b
am: 23d9a6b57c

Change-Id: I8879a14fc1e28afe7af5fa24ccafbdc29d188677
diff --git a/BoardConfig.mk b/BoardConfig.mk
index 0dd890e..9c3cafb 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -34,7 +34,6 @@
 USE_OPENGL_RENDERER := true
 
 BOARD_USE_LEGACY_UI := true
-VSYNC_EVENT_PHASE_OFFSET_NS := 0
 
 # PDK does not use ext4 image, but it is added here to prevent build break.
 TARGET_USERIMAGES_USE_EXT4 := true