Fix the last failing host -Xint JDWP test.

There's a test that asserts that the bootclasspath is non-empty.

Change-Id: I9cd93f658255361cdd9dd73e6ecda6da37219cb7
diff --git a/tools/art b/tools/art
index 4f419b2..2a876a0 100755
--- a/tools/art
+++ b/tools/art
@@ -36,9 +36,10 @@
 unset ANDROID_PRODUCT_OUT # avoid defaulting dex2oat --host-prefix to target output
 mkdir -p /tmp/android-data/art-cache
 cd $ANDROID_BUILD_TOP
-ANDROID_DATA=/tmp/android-data\
- ANDROID_ROOT=$ANDROID_HOST_OUT\
- LD_LIBRARY_PATH=$ANDROID_HOST_OUT/lib\
- exec $invoke_with $ANDROID_HOST_OUT/bin/$oatexec\
- -Ximage:$ANDROID_HOST_OUT/framework/core.art \
- "$@"
+ANDROID_DATA=/tmp/android-data \
+  ANDROID_ROOT=$ANDROID_HOST_OUT \
+  LD_LIBRARY_PATH=$ANDROID_HOST_OUT/lib \
+  exec $invoke_with $ANDROID_HOST_OUT/bin/$oatexec \
+    -Xbootclasspath:$ANDROID_HOST_OUT/core-hostdex.jar \
+    -Ximage:$ANDROID_HOST_OUT/framework/core.art \
+     "$@"