gta4xl-common: Build libGrallocWrapper explicitly

* Now that HWC uses libexynosgraphicbuffer this is no longer built

Change-Id: I319972c680e753e62cd26fb3c08a77b58f74c865
diff --git a/common.mk b/common.mk
index 55c6505..342710f 100644
--- a/common.mk
+++ b/common.mk
@@ -87,6 +87,9 @@
     gralloc.exynos9611 \
     libion
 
+PRODUCT_PACKAGES += \
+    libGrallocWrapper
+
 # Dynamic Partitions
 PRODUCT_USE_DYNAMIC_PARTITIONS := true