Exclude libvndksupport from APEXes.

Test: build, boot, and checked mount paths.
Bug: 123948402
Change-Id: I687dde4f3d1a7971f68c7c536de5002dcdaecfa4

libvndksupport/Android.bp

@@ -10,6 +10,11 @@ cc_library {
     local_include_dirs: ["include/vndksupport"],
     export_include_dirs: ["include"],
     shared_libs: ["liblog"],
+    version_script: "libvndksupport.map.txt",
+    stubs: {
+        symbol_file: "libvndksupport.map.txt",
+        versions: ["29"],
+    },
 }
 
 llndk_library {

libvndksupport/libvndksupport.map.txt

@@ -1,7 +1,7 @@
 LIBVNDKSUPPORT {
   global:
-    android_load_sphal_library; # vndk
-    android_unload_sphal_library; # vndk
+    android_load_sphal_library; # vndk apex
+    android_unload_sphal_library; # vndk apex
   local:
     *;
 };

rootdir/etc/ld.config.legacy.txt

@@ -126,6 +126,7 @@ namespace.resolv.link.default.shared_libs  = libc.so
 namespace.resolv.link.default.shared_libs += libm.so
 namespace.resolv.link.default.shared_libs += libdl.so
 namespace.resolv.link.default.shared_libs += libbinder_ndk.so
+namespace.resolv.link.default.shared_libs += libvndksupport.so
 
 ###############################################################################
 # Namespace config for binaries under /postinstall.

rootdir/etc/ld.config.txt

@@ -200,6 +200,7 @@ namespace.resolv.link.default.shared_libs  = libc.so
 namespace.resolv.link.default.shared_libs += libm.so
 namespace.resolv.link.default.shared_libs += libdl.so
 namespace.resolv.link.default.shared_libs += libbinder_ndk.so
+namespace.resolv.link.default.shared_libs += libvndksupport.so
 
 ###############################################################################
 # "sphal" namespace

rootdir/etc/ld.config.vndk_lite.txt

@@ -145,6 +145,7 @@ namespace.resolv.link.default.shared_libs  = libc.so
 namespace.resolv.link.default.shared_libs += libm.so
 namespace.resolv.link.default.shared_libs += libdl.so
 namespace.resolv.link.default.shared_libs += libbinder_ndk.so
+namespace.resolv.link.default.shared_libs += libvndksupport.so
 
 ###############################################################################
 # "sphal" namespace