Add an option not to install all VNDK libs

When using VNDK snapshot, current VNDK libs are not required. Use
"TARGET_SKIP_CURRENT_VNDK=true" to skip installing current VNDK libs.

Bug: 123607022
Test: TARGET_SKIP_CURRENT_VNDK=true PRODUCT_EXTRA_VNDK_VERSIONS=28 m -j
Change-Id: I65c902c71a7952536bbf824a1dccb9360e843f1a
diff --git a/target/product/gsi/Android.mk b/target/product/gsi/Android.mk
index 7953db0..eaaa051 100644
--- a/target/product/gsi/Android.mk
+++ b/target/product/gsi/Android.mk
@@ -100,11 +100,14 @@
 include $(CLEAR_VARS)
 LOCAL_MODULE := vndk_package
 LOCAL_REQUIRED_MODULES := \
-    $(addsuffix .vendor,$(VNDK_CORE_LIBRARIES)) \
-    $(addsuffix .vendor,$(VNDK_SAMEPROCESS_LIBRARIES)) \
     $(LLNDK_LIBRARIES) \
     llndk.libraries.txt \
     vndksp.libraries.txt
+ifneq ($(TARGET_SKIP_CURRENT_VNDK),true)
+LOCAL_REQUIRED_MODULES += \
+    $(addsuffix .vendor,$(VNDK_CORE_LIBRARIES)) \
+    $(addsuffix .vendor,$(VNDK_SAMEPROCESS_LIBRARIES))
+endif
 include $(BUILD_PHONY_PACKAGE)
 
 include $(CLEAR_VARS)