gralloc: add libgralloctypes.so to VNDK-SP

Add libgralloctypes to the VNDK-SP. This library contains functions
that encode and decode buffer metadata. The library will be used by
by vendors and the framework.

Bug: 141632767
Test: Compiles. Gralloc is tested through VTS.
Change-Id: I2da3ae7539353654958eba802e8a6a4ef849d740
diff --git a/target/product/gsi/current.txt b/target/product/gsi/current.txt
index 13264b3..a2bb17c 100644
--- a/target/product/gsi/current.txt
+++ b/target/product/gsi/current.txt
@@ -40,6 +40,7 @@
 VNDK-SP: libc++.so
 VNDK-SP: libcompiler_rt.so
 VNDK-SP: libcutils.so
+VNDK-SP: libgralloctypes.so
 VNDK-SP: libhardware.so
 VNDK-SP: libhidlbase.so
 VNDK-SP: libhidlmemory.so