Fix the scripts for libjdwp tests and libcore tests to find the image.

Bug: 216467764
Test: art/tools/run-libjdwp-tests.sh --mode=device --variant=X64
Test: art/tools/run-libcore-tests.sh --mode=device --variant=X64
Change-Id: I3a0a11be614f3351271a1d1febbc6305dc79bdcd
diff --git a/tools/run-libcore-tests.py b/tools/run-libcore-tests.py
index 3ce18d2..99a6a74 100755
--- a/tools/run-libcore-tests.py
+++ b/tools/run-libcore-tests.py
@@ -154,7 +154,7 @@
 def get_vogar_command(test_name):
   cmd = ["vogar"]
   if args.mode == "device":
-    cmd.append("--mode=device --vm-arg -Ximage:/apex/com.android.art/javalib/boot.art")
+    cmd.append("--mode=device --vm-arg -Ximage:/system/framework/art_boot_images/boot.art")
     cmd.append("--vm-arg -Xbootclasspath:" + ":".join(BOOT_CLASSPATH))
   if args.mode == "host":
     # We explicitly give a wrong path for the image, to ensure vogar