Fix libart tests on target

1. Add libart/d.so to the list of additional public libraries
2. Fix java.library.path to include /system/lib(64)? for tests
   run by dalvikvm

Bug: http://b/28449304
Change-Id: I11f2dc22e445389160d6f7ed6743bb9664cf3745
diff --git a/test/etc/run-test-jar b/test/etc/run-test-jar
index 01114b7..aa45d40 100755
--- a/test/etc/run-test-jar
+++ b/test/etc/run-test-jar
@@ -473,11 +473,14 @@
       LD_LIBRARY_PATH=$ANDROID_ROOT/$LIBRARY_DIRECTORY
     fi
 
+    PUBLIC_LIBS=libart.so:libartd.so
+
     # Create a script with the command. The command can get longer than the longest
     # allowed adb command and there is no way to get the exit status from a adb shell
     # command.
     cmdline="cd $DEX_LOCATION && \
              export ANDROID_DATA=$DEX_LOCATION && \
+             export ANDROID_ADDITIONAL_PUBLIC_LIBRARIES=$PUBLIC_LIBS && \
              export DEX_LOCATION=$DEX_LOCATION && \
              export ANDROID_ROOT=$ANDROID_ROOT && \
              $mkdir_cmdline && \