Don't check VNDK lib list for PDK builds

Some libs, such as libandroid_net.so and some other Renderscript related
ones, can't be built in PDK due to missing frameworks/base.

Bug: 118634643
Test: build PDK; build doesn't break due to missing VNDK libs

Change-Id: Ic2bf657d796c2044c3b8f49b2963ca84760d54d1
diff --git a/target/product/vndk/Android.mk b/target/product/vndk/Android.mk
index 5d009f9..7953db0 100644
--- a/target/product/vndk/Android.mk
+++ b/target/product/vndk/Android.mk
@@ -42,6 +42,10 @@
 ifeq ($(TARGET_IS_64_BIT)|$(TARGET_2ND_ARCH),true|)
 # TODO(b/110429754) remove this condition when we support 64-bit-only device
 check-vndk-list: ;
+else ifeq ($(TARGET_BUILD_PDK),true)
+# b/118634643: don't check VNDK lib list when building PDK. Some libs (libandroid_net.so
+# and some render-script related ones) can't be built in PDK due to missing frameworks/base.
+check-vndk-list: ;
 else
 check-vndk-list: $(check-vndk-list-timestamp)
 endif