Add libartpalette to VNDK-SP library list.

Now a dependency of ART.

Test: "atest CtsRenderscriptTestCases" on marlin
Bug: 123852238
Change-Id: I03463ef9604d165af460b8f22afbc9b976e07999
(cherry picked from commit b97f98e391f0b635d47937a0cd07bc026e71db90)
diff --git a/vndk/Android.mk b/vndk/Android.mk
index a347a63..3f3b7d8 100644
--- a/vndk/Android.mk
+++ b/vndk/Android.mk
@@ -17,6 +17,7 @@
     libdexfile_external \
     libdexfile_support \
     libartbase \
+    libartpalette \
     libziparchive
 
 install_in_hw_dir := \