Update twrp_cap_sprout.mk

Signed-off-by: Samuel Kendall <kinguser981@gmail.com>

twrp_cap_sprout.mk

@@ -8,6 +8,7 @@
 # Inherit from those products. Most specific first.
 $(call inherit-product, $(SRC_TARGET_DIR)/product/core_64_bit.mk)
 $(call inherit-product, $(SRC_TARGET_DIR)/product/full_base_telephony.mk)
+$(call inherit-product, $(SRC_TARGET_DIR)/product/updatable_apex.mk)
 
 # Inherit some common twrp stuff.
 $(call inherit-product, vendor/twrp/config/common.mk)