Add library list for VNDK using core variant

Some device requires VNDK_USING_CORE_VARIANT list, but it was not
implemented in previous. Adding this library list to the build target so
it can be added to system image.

Bug: 141695559
Test: m -j passed & Tested from Cuttlefish
Change-Id: Ic6847fd1966d4e1884cdce97015c8c1d1e0f3422

target/product/gsi/Android.mk

@@ -152,6 +152,7 @@ LOCAL_REQUIRED_MODULES += \
     vndksp.libraries.txt \
     vndkcore.libraries.txt \
     vndkprivate.libraries.txt \
+    vndkcorevariant.libraries.txt \
     $(addsuffix .vendor,$(VNDK_CORE_LIBRARIES)) \
     $(addsuffix .vendor,$(VNDK_SAMEPROCESS_LIBRARIES))
 endif