Fix update.sh to copy from lib64/ instead of lib/.

Bug: 10653601
Bug: 13751317
Change-Id: I660e35ace005052b72fc9d9908f72cadaf1e81e6
diff --git a/update.sh b/update.sh
index f44d9f3..a3d5158 100755
--- a/update.sh
+++ b/update.sh
@@ -15,7 +15,7 @@
 
 # Copy libraries
 echo Copying libc++.dylib
-cp -a ${ANDROID_HOST_OUT}/lib/libc++.dylib lib/
+cp -a ${ANDROID_HOST_OUT}/lib64/libc++.dylib lib/
 
 # Copy header files
 rm -rf lib/clang/*/include/*