beyondx: Set TARGET_BOOTANIMATION_HALF_RES to true

* No apparent resolution difference
* Much smoother animation
* Much faster boot
* What's not to like?

Change-Id: I2119fe826146a3103da50b4862ad88f5950a97ec
diff --git a/lineage_beyondx.mk b/lineage_beyondx.mk
index 1064ad2..60b1ad5 100644
--- a/lineage_beyondx.mk
+++ b/lineage_beyondx.mk
@@ -28,6 +28,7 @@
 $(call inherit-product, device/samsung/beyondx/device.mk)
 
 ## Boot Animation
+TARGET_BOOTANIMATION_HALF_RES := true
 TARGET_SCREEN_HEIGHT := 3040
 TARGET_SCREEN_WIDTH := 1440